五年级数学(小数四则混合运算)计算题专项练习及答案汇编

五年级数学(小数四则混合运算)计算题专项练习及答案汇编(1)2.85×4×1.7=(2)9.7÷0.2×6.9=(3)5.9×3.1-1.02=(4)1.48×3÷0.25=(5)2×0.63÷0.4=(6)4.06×8.5×8=(7)2.08-0.38+5.04=(8)0.25×3.17×0.08=(9)9.11×5×6.4=(10)9.39×36-9.39×6=(11)2.74÷0.5+6.52=(12)3.45+4.68+0.88=(13)9.99÷0.3-3.07=(14)2.49×9÷0.15=(15)9.45-2.13-4.64=(16)9.16-0.58-6.93=(17)5.56-1.88×2=(18)6.27-5.25+7.78=(19)2.74+6.5×7.8=(20)2.75÷0.5+4.13=(21)0.7÷1.4÷0.25=(22)7.71+9.89-4.86=(23)7.33×82-7.33×2=(24)2.78-1.82÷2.6=(25)3.4+7.8÷5=(26)0.25×6.25×0.04=(27)9.28-1.98÷0.99=(28)7.44-1.91+3.56=(29)6.81-2.56-1.55=(30)8.3×2.4+8.3×7.6=(31)1.5÷0.5+3.75=(32)4.51×7÷1.1=(33)2.13-1.23-0.22=(34)7.21+4.56÷0.5=(35)9.25-0.94-3.48=(36)4.68÷0.24×0.56=(37)9.42+2.5×6.4=(38)6.66+4.12+3.75=(39)0.3×4.6×4.5=(40)9.09-2.16-4.68=(41)3.1-2.25×0.48=(42)6.28-0.35÷0.2=(43)4.2×79.5-4.2×9.5=(44)8.6×42.4-8.6×2.4=(45)2.5×2.78×4=(46)0.88÷0.5÷8.8=(47)9.21-2.18×3.5=(48)7.18+1.8÷3=(49)9.45×61.4-9.45×1.4=(50)5.37+3.77-3.55=(51)7×0.21×4=(52)2.95-1.02÷1.2=(53)9.69×6×3=(54)7.8÷0.24-4.77=(55)4.05-1.52+2.36=(56)7.04÷0.5-6.85=(57)6.36×71.5-6.36×1.5=(58)1.19÷8.5+1.16=(59)7.44÷1.6+8.03=(60)7.07+6.52×8.5=(61)2.12-0.84÷2=(62)6.27÷0.2÷0.5=(63)6.1-6×0.72=(64)7.67÷0.13÷2.5=(65)9.59×17-9.59×7=(66)4.17-8.55×0.4=(67)12.5×3.98×4=(68)2.85×5÷0.76=(69)2.33-1+4.91=(70)0.5×5.7-0.85=(71)9.9×3.9÷0.52=(72)7.99÷0.94-5.75=(73)6.16×7.5×0.2=(74)6.11-0.65-4.08=(75)5.58+7.11+0.41=(76)8.89+6.11×8=(77)7.26-0.85÷3.4=(78)3.2×2.7+3.79=(79)1.25×4.26×0.4=(80)2.73×6+2.74=(81)8.34-5.3+2.94=(82)8.7×9.4÷0.75=(83)9.54-9.45÷2.7=(84)1.1×6.8×2.5=(85)2.18×5+5.41=(86)9.5×3.8+9.5×6.2=(87)5.92÷0.64-1.91=(88)5.89+5.32÷0.38=(89)8.45×9+3.42=(90)7.98÷0.28×2.6=(91)9.94-2.65-0.14=(92)4.95×4-5.48=(93)3.85÷0.35×7.8=(94)9.72-5.44+2.51=(95)1.89÷0.25÷5.4=(96)0.5+2.94÷0.12=(97)3.74×42-3.74×2=(98)5.61×4-3.93=(99)6.27÷0.38+7.75=(100)6.55+7.36-6.63=(101)9.28+8.5×1.3=(102)1.31×57-1.31×7=(103)2.43+8.47-0.9=(104)12.5×5.82×0.8=(105)4.81-8.28÷4.6=(106)4.5×2.98+4.5×7.02=(107)6.78÷0.24+6.86=(108)7.44÷0.25-9.79=(109)9.36×6.5+9.36×3.5=(110)2.15+6.67÷0.23=(111)1.55+2.84÷0.71=(112)6.58-0.72+7.28=(113)1.86÷0.31+0.73=(114)0.22×5×9.5=(115)7.04+2.95×4.2=(116)5.92÷4+1.51=(117)3.6×4.3-8.77=(118)8.31+0.86-0.66=(119)1.02×8×4=(120)9.27×4-0.91=(121)7.2×8.6-2.9=(122)5.25÷1.5-1.2=(123)2.95-2.74+9.45=(124)9.15×8.2+8.39=(125)7.75×9.28+7.75×0.72=(126)9.98+3.23+5.61=(127)9.45÷0.25÷9=(128)0.25×4.46×0.4=(129)0.25×8.54×0.04=(130)1.39+7.01÷0.2=(131)2.6×40.9-2.6×0.9=(132)9.18÷0.34+2.35=(133)3.25+9.45-7.54=(134)7.68÷0.16+5.15=(135)9.95-0.4×1.1=(136)2.61÷0.3+8.31=(137)5.82+5.3×6.6=(138)12.5×2.54×0.08=(139)4.99+0.7×4.2=(140)4.68+5.17-6.96=(141)7.6-2.6-4.73=(142)8.81÷0.5×5=(143)9.46÷0.4-5.29=(144)4.09+9.06-2.79=(145)7.68+4.43×2=(146)1.9×7.8×1.5=(147)1.98÷0.24÷0.33=(148)8.5×3.5+7.19=(149)5×0.7×9.7=(150)0.76÷0.2-0.74=(151)1.25×8.26×0.08=(152)2.27+9.17+4.1=(153)4.5×5.04+4.5×4.96=(154)3.98×5×3.1=(155)5×5.33+5×4.67=(156)9.42×1.5+9.99=(157)6.02+9.01+9.76=(158)2.5×7.8×5=(159)3.92×16.5-3.92×6.5=(160)7.26×78.5-7.26×8.5=(161)9.37-1.66÷8.3=(162)2.75×0.28+7.96=(163)6.99÷0.12×1.8=(164)2.62+3.12-4.74=(165)6.22-3×0.57=(166)9.8×9.7-2.69=(167)5.25÷0.28+3.26=(168)3.12÷0.25-3.91=(169)7.39-0.59-1.46=(170)4.5-3.24+8.9=(171)3.95-3.66÷1.2=(172)9.83×9+9.14=(173)0.84×4÷0.48=(174)4.14+2÷1.6=(175)8.57-5.37-0.76=(176)6.24-3.8×0.95=(177)0.6×7.4-2.75=(178)8.96×4+5.79=(179)9.68÷0.8×6.9=(180)4.77+4.96-5.5=(181)0.25×0.53×0.8=(182)4.83-2.4+9=(183)7.6+7.04÷1.6=(184)1.25×5.64×8=(185)3.15×7.6×5=(186)7×2.5+3.2=(187)5.81-0.17×5=(188)1.1×8.1-6.98=(189)7.88+8×1.6=(190)1.05-4.68÷7.8=(191)4.36÷0.4+0.29=(192)8.43-9.6×0.8=(193)7.1×6-5.8=(194)9.88+6.22÷0.5=(195)5×2.96+5×7.04=(196)7.88-2.07+7.34=(197)0.9÷0.5+6.11=(198)3.46×9÷0.2=(199)9.22-3.7-5.21=(200)3.9-2.23+6.07=(201)9.7+7.49-9.05=(202)4.94-4.59+8.77=(203)0.25×9.48×4=(204)5.12×2.5×3.3=(205)8.05×7-9.76=(206)1.28+4.26+3.32=(207)8.44×5×9.9=(208)8.05-3.45-2.88=(209)8.84+6.64-0.64=(210)0.55+0.91÷0.65=(211)9.61-4.93÷3.4=(212)5.99-9.34÷2=(213)9.75÷0.65×3.7=(214)9.3×1.9-7.81=(215)2.55×45.8-2.55×5.8=(216)1.08+5.28÷1.1=(217)2.4×2.9÷6=(218)5.42+8.33÷0.14=(219)2.25×69.2-2.25×9.2=(220)8.26+3.24+9.96=(221)6.11-3.64÷0.65=(222)0.25×8.08×0.08=(223)0.57+4.16÷0.5=(224)1.04+2.5×0.42=(225)7.9-2.2÷0.55=(226)1.72÷0.25÷0.2=(227)6.4×6.2+7.86=(228)4.25×9.8-6.59=(229)6.65×3.4+8.31=(230)7.5×2.04+7.5×7.96=(231)7.11×6×2=(232)0.56×4.5÷2.8=(233)4×1.6+7.27=(234)2.77+8.55÷0.5=(235)3.3÷6.6×5.4=(236)5.1×5×0.86=(237)7.7-9×0.13=(238)2.82-1.21+9.53=(239)12.5×0.63×0.8=(240)8.28-6.35-1.14=(241)4.7÷0.5÷0.94=(242)7.84÷0.14-5.53=(243)6.83-1.9÷2=(244)12.5×5.35×4=(245)8.38×4.5+6.32=(246)5.34-4.48÷2=(247)9.76+1.83+9.15=(248)9.04×5.75+9.04×4.25=(249)9.66÷0.15-9.93=(250)5.11-0.14×4=(251)6.4×50.1-6.4×0.1=(252)1.22×9.5-4.08=(253)1.26×86.5-1.26×6.5=(254)6.42+2.43÷0.75=(255)9.77+7.34+7.7=(256)0.24÷0.6×2.2=(257)8.46+9.85+5.85=(258)5.84-0.75×1.4=(259)7.96-0.98-3.17=(260)0.53+9.52÷8.5=(261)6.09÷0.21+2.79=(262)9.2×7.6÷1.6=(263)4.03-2.37+8.19=(264)1.9×1.8÷0.72=(265)2.84+5.94+1.87=(266)0.6+1.52÷0.32=(267)9.68-2.21-5.48=(268)9×3.7×2.2=(269)5.7+4.8-8.02=(270)0.19+7.26-5.63=(271)5.94÷0.2÷0.4=(272)9.26-3.4-4.98=(273)2.33-2.5×0.36=(274)6.25×8.88+6.25×1.12=(275)2.5×2.5×0.4=(276)4×0.98×0.75=(277)8.1+2.89÷0.5=(278)4.95+7.87÷0.5=(279)6.95×5.2×2=(280)1.7+0.06÷0.25=(281)6.15×4.8+6.15×5.2=(282)5.58-0.81-0.83=(283)3.7×7.5+4.04=(284)5.8×3.9+5.8×6.1=(285)4.47×6-3.98=(286)3.84÷0.48-2.96=(287)9.81-4.98÷2=(288)7.77-2.67-3.03=(289)6.51÷0.25×2=(290)0.25×1.75×8=(291)9.1×8.1÷0.14=(292)1.44÷0.12-5.95=(293)9.05+5.04-4.78=(294)7.25×1.2×4.7=(295)7.1×71.7-7.1×1.7=(296)9.59-2.04-0.73=(297)5.6×4.3÷0.35=(298)8.55-7.97+6.47=(299)1.25×4.75×0.8=(300)1.38×9.5-9.05=(301)3.98×9.5-8.4=(302)6.23÷0.28-4.8=(303)3.46×5.5+3.46×4.5=(304)2.94×7.5÷3.5=(305)3.08÷0.22×0.7=(306)7.14-4.74+6.86=(307)2.5×1.1+1.07=(308)9.85+3.8×7.6=(309)6.14-8.16×0.75=(310)6.64-0.2-5.44=(311)0.25×4.62×0.8=(312)8.5×8.2-6.56=(313)5.88÷8.4÷0.5=(314)4.88+9.9÷0.88=(315)2.27+6.75×7=(316)9.61+6.76÷0.4=(317)4.95÷0.36÷1.1=(318)7.61-1.56÷3=(319)5.13÷0.76×2.2=(320)2×5.41+2×4.59=(321)3.75×3.08+3.75×6.92=(322)3.5×4.8-1.35=(323)7.8×5.5×2.8=(324)8.1÷9×2.1=(325)3.53-5.64×0.5=(326)7.02÷0.65÷1.2=(327)1.56÷2÷0.39=(328)5.76÷0.6÷0.4=(329)4.59+5.75×3.4=(330)2.65+2.51+8.54=(331)9.18÷1.7×2.6=(332)1.86÷0.6÷0.25=(333)5.82×9.5÷5.7=(334)6.25÷2.5×7.7=(335)6.96-5.24+5.55=(336)1.98+9.67-9.32=(337)5.04÷1.4+2.73=(338)8.08+3.33+0.39=(339)2.6×16.7-2.6×6.7=(340)9.5-0.35-2.99=(341)6.46÷0.85÷0.19=(342)1.53÷0.75÷0.8=(343)8.04×7.75+8.04×2.25=(344)5.24-2.97÷0.6=(345)2.72÷0.2-7.18=(346)6.55-2.51+1.92=(347)3.41×2÷0.22=(348)6.84÷0.9-3.91=(349)2.8×6.95+2.8×3.05=(350)7×6.6-4.63=(351)7.7-1.34-5.11=(352)8.22-7.73+1.2=(353)4.18-4.3÷8.6=(354)9.61+8.17-8.15=(355)3.7+6.9×6.1=(356)7.3×7.1+4.39=(357)2.21÷1.3+7.8=(358)3.2+4.4×8.1=(359)2.01×53-2.01×3=(360)1.8×0.8÷0.9=(361)9.24-3.25-5.6=(362)6.12×6.75+6.12×3.25=(363)3.01÷0.14-2.22=(364)8.33-1.35×4.4=(365)1.32+0.02+8.18=(366)5.21-1.04+8.62=(367)3.17+4.06-6.95=(368)7.28+7.29-0.37=(369)9.79×40-9.79×0=(370)2.93+3.1-1.23=(371)2.8×2.9×8=(372)6.45×7.6-6.9=(373)4.87+4.05-6.95=(374)1.25×4.93×0.08=(375)5.99+5.35-2.16=(376)8.66-4.62-1.29=(377)5.6÷0.4×3.4=(378)4.24×9.5-9.33=(379)6.77-4.25÷1.7=(380)8.32×7.5×6.2=(381)9.47-2.02÷2=(382)1.65-0.58÷0.4=(383)3.4×9.2+8.58=(384)4.5×1.6+4.5×8.4=(385)0.25×0.06×4=(386)1.44+4.96×2.5=(387)2.5×6.98×0.4=(388)7.98×4.5-4.09=(389)5×5.6-8.59=(390)1.55+5.79+0.59=(391)8.99+7.12-0.9=(392)7.7×8.7÷0.44=(393)5.65+1.42+1.17=(394)6.3×9.6÷0.42=(395)3.3÷7.5+1.49=(396)0.43+8.36-7.48=(397)3.76-4.8×0.45=(398)6.2-0.78×5.5=(399)0.15×7.4+4.78=(400)7.5×9.6÷8=(401)8.66+8.74-3.78=(402)0.18×66.5-0.18×6.5=(403)8.17+3.78÷0.21=(404)5×9.4×2.7=(405)4.97÷0.71÷0.28=(406)6.9÷2.5+5.89=(407)4.95×8.6÷0.3=(408)0.49+8.83×6=(409)3.6+1.9×4.8=(410)5.91×5+1.52=(411)5.98+7.65×0.2=(412)6×8.7×4.6=(413)3.27÷0.75+4.96=(414)5.21-5.78÷1.7=(415)5.8×6.7+5.7=(416)9.07+0.61-6.41=(417)1.7×8.9+2.68=(418)9.96-8.53-0.46=(419)0.08+8.95×3.8=(420)7.63-1.17÷0.9=(421)7.82+9.07+1.49=(422)5.63-8.5×0.52=(423)7.88-8.2×0.85=(424)8.33+8.44+3.84=(425)5×6.66+5×3.34=(426)6.54-0.27+5.3=(427)3.34-0.95×3.4=(428)4.4×39.1-4.4×9.1=(429)9.3×0.8÷0.32=(430)2.16÷2.4×0.6=(431)1.69+3.81÷0.6=(432)0.25×0.6×9.6=(433)6.58×86-6.58×6=(434)3.33÷0.36-5.74=(435)8.29-2.96-2.55=(436)3.1-5×0.11=(437)4.6×7.6÷3.8=(438)0.54÷0.12÷0.4=(439)3.5×67.5-3.5×7.5=(440)9.79+0.27-6.85=(441)1.9+0.44×8=(442)6.25×9.6×6.7=(443)6.15÷0.6×0.56=(444)9.17÷0.25÷0.8=(445)7.2+3-9.9=(446)9.58×17-9.58×7=(447)7.85-6.49+2.58=(448)7.9×9.8+7.9×0.2=(449)4.7×96.8-4.7×6.8=(450)8.51×5-3.05=(451)2.15+6.22×7.5=(452)5×8.7-5.18=(453)3.42-9.78÷3=(454)8.49×8÷0.3=(455)3.77÷0.2-3.57=(456)5.05×1.2+5.05×8.8=(457)1.95÷2.6÷0.75=(458)5.13+5.76÷0.4=(459)5.43+8.69+4.68=(460)5.49-2.82÷9.4=(461)4.76-1.2-1.91=(462)2.16÷5.4×0.95=(463)7.11-4.3×1.2=(464)6.8×0.45÷0.12=(465)9.52÷0.16×0.36=(466)6×6.4×5.5=(467)5.37+7.94-1.76=(468)6.6×4.1+0.82=(469)7.05÷9.4÷5=(470)3.11+9.08÷0.2=(471)2.73÷1.3-1.78=(472)8.41-2.52×0.75=(473)5.52÷1.6+0.18=(474)5.81-4.7+5.02=(475)3.03÷0.15+0.99=(476)5.31÷0.59÷3.6=(477)1.32×6÷1.2=(478)6.93-2.8-0.03=(479)9.9×8-9.95=(480)4.48÷0.14+4.55=(481)4.56÷0.19÷0.32=(482)7.07-1.04×3.5=(483)0.84÷0.48×6.4=(484)0.56×90-0.56×0=(485)7.84÷0.16×8.3=(486)8×0.75-2.01=(487)0.25×4.82×0.8=(488)2.03+8.51-4.18=(489)4.02+7.29+3.41=(490)3.82+0.99+4.79=(491)9.1×8.8+7.68=(492)1.74+3×0.91=(493)0.98÷0.2+2.46=(494)8.14+0.68÷4=(495)7.61-0.61÷0.25=(496)2.24÷0.32×2=(497)6.08-1.52-0.16=(498)8.1÷0.25+4.81=(499)3.75×9.6÷6=(500)1.51+2.67+7.42=(501)8.9×8.7+1.67=(502)6.27÷3.3+8.4=(503)6.08-9.74÷2=(504)6.38-1×3.4=(505)9.19+5.4+0.18=(506)1.26÷0.72×1.2=(507)6.86÷0.4+6.77=(508)7.4-2.55-0.22=(509)2.27÷0.2-8.34=(510)8.8-3.02+9.37=(511)1.2×1.6+1.2×8.4=(512)5.94÷0.4÷3.3=(513)8.54÷0.2×1.4=(514)6.5×6.6+6.5×3.4=(515)1.1×41.5-1.1×1.5=(516)7.27-1.4÷7=(517)3.38×8.5-5.87=(518)8.88÷0.3-7.27=(519)9.97-7.67-1.09=(520)4.22+5.41+8.66=(521)8.72×7.75+8.72×2.25=(522)0.25×4.66×0.8=(523)5.55-3.2+5.25=(524)9.33-1×9.2=(525)2.2÷1.1+4.93=(526)5.66+3.96÷9.9=(527)1.24×6×3.5=(528)4.7×6.9+4.7×3.1=(529)8×7.23+8×2.77=(530)6.07-0.97×5=(531)6.5×0.14÷1.4=(532)2.11-5.4×0.3=(533)5.2-7.36÷6.4=(534)3.24÷3÷0.27=(535)8.78+5.5×0.4=(536)1.3×5.5×5.2=(537)9.37-0.6×0.55=(538)3.1-0.44×0.5=(539)8.81+9.39+6.37=(540)9.62-6.67-2.34=(541)9×8.43+9×1.57=(542)3×88.2-3×8.2=(543)5.96+3.04-3.32=(544)12.5×9.97×8=(545)12.5×0.72×0.04=(546)6.94+5.32×1.5=(547)9.7×6.4+4.94=(548)0.91÷0.13×0.3=(549)5.56÷0.16÷0.25=(550)3.75×6.6+9.53=(551)5.2×9.4-2.61=(552)9.54-6.78+6.29=(553)2.24÷4÷7=(554)0.17÷0.5÷0.68=(555)3.4×8.7÷0.87=(556)7.1×9.2+1.29=(557)5.72÷0.52×3.8=(558)2.05×66.2-2.05×6.2=(559)5.29-2.88+9.56=(560)9.45×7+8.34=(561)6.1×7.2×7.5=(562)1.25×8.21×8=(563)4.16×1.25+4.16×8.75=(564)1.25×3.85×0.8=(565)3.41+7.23×5=(566)7.93+0.7×4.3=(567)8.34-0.27+5.35=(568)5×69-5×9=(569)3.3÷0.25×7=(570)3.32×3×5.5=(571)0.6×3.85+0.6×6.15=(572)9.13÷0.2÷0.44=(573)4.17+3.26+6.72=(574)5.47-7.14÷3.5=(575)0.69÷0.15×6.6=(576)6.35-1.98×2=(577)4.61-0.38+4.97=(578)7.31÷0.86-2.45=(579)0.75×4.4+8.17=(580)8.52×48.5-8.52×8.5=(581)1.65+6.39+8.45=(582)2.14+0.9×8.9=(583)9.24×4.5÷2.2=(584)0.24÷4.8+7.08=(585)9.5÷2.5÷0.76=(586)6÷2+1.02=(587)7.72×2.5+7.72×7.5=(588)9.41+3.33+5.6=(589)3.63×7÷5.5=(590)8.65×0.6+8.65×9.4=(591)8.74×7÷0.2=(592)3.08+5.79÷3=(593)7.34+4×3.1=(594)6.11-5.16÷1.5=(595)3.75×5.4÷0.27=(596)7.9-5.04+0.26=(597)12.5×1.18×4=(598)5.22÷0.18÷2.9=(599)3.96-1.89+6.45=(600)6×0.25×1.9=(601)5.61-1-3.63=(602)5.97+4.29+3.05=(603)0.65+9.67-9.6=(604)9.63÷0.36-1.97=(605)3.14+9.45×7.6=(606)7.8÷0.16-1.09=(607)0.91×5-3.45=(608)4.54+3.39+4.19=(609)1.79×42-1.79×2=(610)6.38÷0.22-6.18=(611)5.51+2.75÷5=(612)0.24÷1.5÷0.16=(613)9.03÷2.1-0.92=(614)2.73÷0.6+2.26=(615)8.17-5.81+5.72=(616)1.77÷0.12-2.61=(617)1.01×6-0.94=(618)2.5×4.54×0.8=(619)2.3×6.3+2.3×3.7=(620)12.5×8.6×0.08=(621)1.6÷3.2×0.82=(622)4.55÷0.14×2.1=(623)7.75÷0.2÷6.2=(624)9.45÷0.28+0.75=(625)0.25×4.12×0.8=(626)7.51-3.89-3.1=(627)4.32+7.28+4.94=(628)4.1+3.82÷0.2=(629)7.26÷0.15-9.79=(630)3.4×3.8+8.59=(631)8.22-2.34÷0.4=(632)9.24-8.1+2.78=(633)1.8÷5÷0.16=(634)7.9×4.6-8.88=(635)1.98÷9.9×3.5=(636)3.4÷1.7×0.43=(637)2.49×24-2.49×4=(638)6.63÷0.75-8.45=(639)1.58×5+6.09=(640)8.85×72-8.85×2=(641)9.02×7÷4.4=(642)9.21+3.94+3.77=(643)8.44+4.63÷0.5=(644)9.87÷0.42-7.26=(645)4.9÷0.56+9.6=(646)9.1+4.82-9.25=(647)4.45+3.8×8.9=(648)3.16÷0.25-0.28=(649)2.7×7.7+0.82=(650)3.7×49.4-3.7×9.4=(651)8.4÷1.5+5.89=(652)3.98÷0.2-7.76=(653)8.22+9.63+3.49=(654)6.82+0.5-0.87=(655)1.25×8.57×0.08=(656)3.6×9.2+2.41=(657)4.44+2.21-1.1=(658)4.96+1.14÷0.15=(659)2.25+0.68×5.5=(660)1.13÷0.2-5.32=(661)0.25×3.03×4=(662)6.42+3.81+3.59=(663)4.98-2.56÷3.2=(664)7.93+4.77×9=(665)9.8×3.9+7.05=(666)4.73÷0.5+0.28=(667)7.05-3.66-0.73=(668)1.25×2.05×0.08=(669)6.58-1.89+2.67=(670)8.29-1.21×6=(671)8.4÷5.6×6=(672)8.19÷0.14-4.28=(673)5.76×9.5+5.76×0.5=(674)6.24÷0.13×0.54=(675)9×8.14+9×1.86=(676)3.74-0.75×3.4=(677)2.24+7.24×8.5=(678)9.5+6.67÷5.8=(679)5.47+6.8×8.1=(680)2.1+9.45-3.56=(681)0.11+1.79+9.16=(682)6.41×2-2.07=(683)7.26×5-0.75=参考答案(1)2.85×4×1.7=19.38(2)9.7÷0.2×6.9=334.65(3)5.9×3.1-1.02=17.27(4)1.48×3÷0.25=17.76(5)2×0.63÷0.4=3.15(6)4.06×8.5×8=276.08(7)2.08-0.38+5.04=6.74(8)0.25×3.17×0.08=0.0634(9)9.11×5×6.4=291.52(10)9.39×36-9.39×6=281.7(11)2.74÷0.5+6.52=12(12)3.45+4.68+0.88=9.01(13)9.99÷0.3-3.07=30.23(14)2.49×9÷0.15=149.4(15)9.45-2.13-4.64=2.68(16)9.16-0.58-6.93=1.65(17)5.56-1.88×2=1.8(18)6.27-5.25+7.78=8.8(19)2.74+6.5×7.8=53.44(20)2.75÷0.5+4.13=9.63(21)0.7÷1.4÷0.25=2(22)7.71+9.89-4.86=12.74(23)7.33×82-7.33×2=586.4(24)2.78-1.82÷2.6=2.08(25)3.4+7.8÷5=4.96(26)0.25×6.25×0.04=0.0625(27)9.28-1.98÷0.99=7.28(28)7.44-1.91+3.56=9.09(29)6.81-2.56-1.55=2.7(30)8.3×2.4+8.3×7.6=83(31)1.5÷0.5+3.75=6.75(32)4.51×7÷1.1=28.7(33)2.13-1.23-0.22=0.68(34)7.21+4.56÷0.5=16.33(35)9.25-0.94-3.48=4.83(36)4.68÷0.24×0.56=10.92(37)9.42+2.5×6.4=25.42(38)6.66+4.12+3.75=14.53(39)0.3×4.6×4.5=6.21(40)9.09-2.16-4.68=2.25(41)3.1-2.25×0.48=2.02(42)6.28-0.35÷0.2=4.53(43)4.2×79.5-4.2×9.5=294(44)8.6×42.4-8.6×2.4=344(45)2.5×2.78×4=27.8(46)0.88÷0.5÷8.8=0.2(47)9.21-2.18×3.5=1.58(48)7.18+1.8÷3=7.78(49)9.45×61.4-9.45×1.4=567(50)5.37+3.77-3.55=5.59(51)7×0.21×4=5.88(52)2.95-1.02÷1.2=2.1(53)9.69×6×3=174.42(54)7.8÷0.24-4.77=27.73(55)4.05-1.52+2.36=4.89(56)7.04÷0.5-6.85=7.23(57)6.36×71.5-6.36×1.5=445.2(58)1.19÷8.5+1.16=1.3(59)7.44÷1.6+8.03=12.68(60)7.07+6.52×8.5=62.49(61)2.12-0.84÷2=1.7(62)6.27÷0.2÷0.5=62.7(63)6.1-6×0.72=1.78(64)7.67÷0.13÷2.5=23.6(65)9.59×17-9.59×7=95.9(66)4.17-8.55×0.4=0.75(67)12.5×3.98×4=199(68)2.85×5÷0.76=18.75(69)2.33-1+4.91=6.24(70)0.5×5.7-0.85=2(71)9.9×3.9÷0.52=74.25(72)7.99÷0.94-5.75=2.75(73)6.16×7.5×0.2=9.24(74)6.11-0.65-4.08=1.38(75)5.58+7.11+0.41=13.1(76)8.89+6.11×8=57.77(77)7.26-0.85÷3.4=7.01(78)3.2×2.7+3.79=12.43(79)1.25×4.26×0.4=2.13(80)2.73×6+2.74=19.12(81)8.34-5.3+2.94=5.98(82)8.7×9.4÷0.75=109.04(83)9.54-9.45÷2.7=6.04(84)1.1×6.8×2.5=18.7(85)2.18×5+5.41=16.31(86)9.5×3.8+9.5×6.2=95(87)5.92÷0.64-1.91=7.34(88)5.89+5.32÷0.38=19.89(89)8.45×9+3.42=79.47(90)7.98÷0.28×2.6=74.1(91)9.94-2.65-0.14=7.15(92)4.95×4-5.48=14.32(93)3.85÷0.35×7.8=85.8(94)9.72-5.44+2.51=6.79(95)1.89÷0.25÷5.4=1.4(96)0.5+2.94÷0.12=25(97)3.74×42-3.74×2=149.6(98)5.61×4-3.93=18.51(99)6.27÷0.38+7.75=24.25(100)6.55+7.36-6.63=7.28(101)9.28+8.5×1.3=20.33(102)1.31×57-1.31×7=65.5(103)2.43+8.47-0.9=10(104)12.5×5.82×0.8=58.2(105)4.81-8.28÷4.6=3.01(106)4.5×2.98+4.5×7.02=45(107)6.78÷0.24+6.86=35.11(108)7.44÷0.25-9.79=19.97(109)9.36×6.5+9.36×3.5=93.6(110)2.15+6.67÷0.23=31.15(111)1.55+2.84÷0.71=5.55(112)6.58-0.72+7.28=13.14(113)1.86÷0.31+0.73=6.73(114)0.22×5×9.5=10.45(115)7.04+2.95×4.2=19.43(116)5.92÷4+1.51=2.99(117)3.6×4.3-8.77=6.71(118)8.31+0.86-0.66=8.51(119)1.02×8×4=32.64(120)9.27×4-0.91=36.17(121)7.2×8.6-2.9=59.02(122)5.25÷1.5-1.2=2.3(123)2.95-2.74+9.45=9.66(124)9.15×8.2+8.39=83.42(125)7.75×9.28+7.75×0.72=77.5(126)9.98+3.23+5.61=18.82(127)9.45÷0.25÷9=4.2(128)0.25×4.46×0.4=0.446(129)0.25×8.54×0.04=0.0854(130)1.39+7.01÷0.2=36.44(131)2.6×40.9-2.6×0.9=104(132)9.18÷0.34+2.35=29.35(133)3.25+9.45-7.54=5.16(134)7.68÷0.16+5.15=53.15(135)9.95-0.4×1.1=9.51(136)2.61÷0.3+8.31=17.01(137)5.82+5.3×6.6=40.8(138)12.5×2.54×0.08=2.54(139)4.99+0.7×4.2=7.93(140)4.68+5.17-6.96=2.89(141)7.6-2.6-4.73=0.27(142)8.81÷0.5×5=88.1(143)9.46÷0.4-5.29=18.36(144)4.09+9.06-2.79=10.36(145)7.68+4.43×2=16.54(146)1.9×7.8×1.5=22.23(147)1.98÷0.24÷0.33=25(148)8.5×3.5+7.19=36.94(149)5×0.7×9.7=33.95(150)0.76÷0.2-0.74=3.06(151)1.25×8.26×0.08=0.826(152)2.27+9.17+4.1=15.54(153)4.5×5.04+4.5×4.96=45(154)3.98×5×3.1=61.69(155)5×5.33+5×4.67=50(156)9.42×1.5+9.99=24.12(157)6.02+9.01+9.76=24.79(158)2.5×7.8×5=97.5(159)3.92×16.5-3.92×6.5=39.2(160)7.26×78.5-7.26×8.5=508.2(161)9.37-1.66÷8.3=9.17(162)2.75×0.28+7.96=8.73(163)6.99÷0.12×1.8=104.85(164)2.62+3.12-4.74=1(165)6.22-3×0.57=4.51(166)9.8×9.7-2.69=92.37(167)5.25÷0.28+3.26=22.01(168)3.12÷0.25-3.91=8.57(169)7.39-0.59-1.46=5.34(170)4.5-3.24+8.9=10.16(171)3.95-3.66÷1.2=0.9(172)9.83×9+9.14=97.61(173)0.84×4÷0.48=7(174)4.14+2÷1.6=5.39(175)8.57-5.37-0.76=2.44(176)6.24-3.8×0.95=2.63(177)0.6×7.4-2.75=1.69(178)8.96×4+5.79=41.63(179)9.68÷0.8×6.9=83.49(180)4.77+4.96-5.5=4.23(181)0.25×0.53×0.8=0.106(182)4.83-2.4+9=11.43(183)7.6+7.04÷1.6=12(184)1.25×5.64×8=56.4(185)3.15×7.6×5=119.7(186)7×2.5+3.2=20.7(187)5.81-0.17×5=4.96(188)1.1×8.1-6.98=1.93(189)7.88+8×1.6=20.68(190)1.05-4.68÷7.8=0.45(191)4.36÷0.4+0.29=11.19(192)8.43-9.6×0.8=0.75(193)7.1×6-5.8=36.8(194)9.88+6.22÷0.5=22.32(195)5×2.96+5×7.04=50(196)7.88-2.07+7.34=13.15(197)0.9÷0.5+6.11=7.91(198)3.46×9÷0.2=155.7(199)9.22-3.7-5.21=0.31(200)3.9-2.23+6.07=7.74(201)9.7+7.49-9.05=8.14(202)4.94-4.59+8.77=9.12(203)0.25×9.48×4=9.48(204)5.12×2.5×3.3=42.24(205)8.05×7-9.76=46.59(206)1.28+4.26+3.32=8.86(207)8.44×5×9.9=417.78(208)8.05-3.45-2.88=1.72(209)8.84+6.64-0.64=14.84(210)0.55+0.91÷0.65=1.95(211)9.61-4.93÷3.4=8.16(212)5.99-9.34÷2=1.32(213)9.75÷0.65×3.7=55.5(214)9.3×1.9-7.81=9.86(215)2.55×45.8-2.55×5.8=102(216)1.08+5.28÷1.1=5.88(217)2.4×2.9÷6=1.16(218)5.42+8.33÷0.14=64.92(219)2.25×69.2-2.25×9.2=135(220)8.26+3.24+9.96=21.46(221)6.11-3.64÷0.65=0.51(222)0.25×8.08×0.08=0.1616(223)0.57+4.16÷0.5=8.89(224)1.04+2.5×0.42=2.09(225)7.9-2.2÷0.55=3.9(226)1.72÷0.25÷0.2=34.4(227)6.4×6.2+7.86=47.54(228)4.25×9.8-6.59=35.06(229)6.65×3.4+8.31=30.92(230)7.5×2.04+7.5×7.96=75(231)7.11×6×2=85.32(232)0.56×4.5÷2.8=0.9(233)4×1.6+7.27=13.67(234)2.77+8.55÷0.5=19.87(235)3.3÷6.6×5.4=2.7(236)5.1×5×0.86=21.93(237)7.7-9×0.13=6.53(238)2.82-1.21+9.53=11.14(239)12.5×0.63×0.8=6.3(240)8.28-6.35-1.14=0.79(241)4.7÷0.5÷0.94=10(242)7.84÷0.14-5.53=50.47(243)6.83-1.9÷2=5.88(244)12.5×5.35×4=267.5(245)8.38×4.5+6.32=44.03(246)5.34-4.48÷2=3.1(247)9.76+1.83+9.15=20.74(248)9.04×5.75+9.04×4.25=90.4(249)9.66÷0.15-9.93=54.47(250)5.11-0.14×4=4.55(251)6.4×50.1-6.4×0.1=320(252)1.22×9.5-4.08=7.51(253)1.26×86.5-1.26×6.5=100.8(254)6.42+2.43÷0.75=9.66(255)9.77+7.34+7.7=24.81(256)0.24÷0.6×2.2=0.88(257)8.46+9.85+5.85=24.16(258)5.84-0.75×1.4=4.79(259)7.96-0.98-3.17=3.81(260)0.53+9.52÷8.5=1.65(261)6.09÷0.21+2.79=31.79(262)9.2×7.6÷1.6=43.7(263)4.03-2.37+8.19=9.85(264)1.9×1.8÷0.72=4.75(265)2.84+5.94+1.87=10.65(266)0.6+1.52÷0.32=5.35(267)9.68-2.21-5.48=1.99(268)9×3.7×2.2=73.26(269)5.7+4.8-8.02=2.48(270)0.19+7.26-5.63=1.82(271)5.94÷0.2÷0.4=74.25(272)9.26-3.4-4.98=0.88(273)2.33-2.5×0.36=1.43(274)6.25×8.88+6.25×1.12=62.5(275)2.5×2.5×0.4=2.5(276)4×0.98×0.75=2.94(277)8.1+2.89÷0.5=13.88(278)4.95+7.87÷0.5=20.69(279)6.95×5.2×2=72.28(280)1.7+0.06÷0.25=1.94(281)6.15×4.8+6.15×5.2=61.5(282)5.58-0.81-0.83=3.94(283)3.7×7.5+4.04=31.79(284)5.8×3.9+5.8×6.1=58(285)4.47×6-3.98=22.84(286)3.84÷0.48-2.96=5.04(287)9.81-4.98÷2=7.32(288)7.77-2.67-3.03=2.07(289)6.51÷0.25×2=52.08(290)0.25×1.75×8=3.5(291)9.1×8.1÷0.14=526.5(292)1.44÷0.12-5.95=6.05(293)9.05+5.04-4.78=9.31(294)7.25×1.2×4.7=40.89(295)7.1×71.7-7.1×1.7=497(296)9.59-2.04-0.73=6.82(297)5.6×4.3÷0.35=68.8(298)8.55-7.97+6.47=7.05(299)1.25×4.75×0.8=4.75(300)1.38×9.5-9.05=4.06(301)3.98×9.5-8.4=29.41(302)6.23÷0.28-4.8=17.45(303)3.46×5.5+3.46×4.5=34.6(304)2.94×7.5÷3.5=6.3(305)3.08÷0.22×0.7=9.8(306)7.14-4.74+6.86=9.26(307)2.5×1.1+1.07=3.82(308)9.85+3.8×7.6=38.73(309)6.14-8.16×0.75=0.02(310)6.64-0.2-5.44=1(311)0.25×4.62×0.8=0.924(312)8.5×8.2-6.56=63.14(313)5.88÷8.4÷0.5=1.4(314)4.88+9.9÷0.88=16.13(315)2.27+6.75×7=49.52(316)9.61+6.76÷0.4=26.51(317)4.95÷0.36÷1.1=12.5(318)7.61-1.56÷3=7.09(319)5.13÷0.76×2.2=14.85(320)2×5.41+2×4.59=20(321)3.75×3.08+3.75×6.92=37.5(322)3.5×4.8-1.35=15.45(323)7.8×5.5×2.8=120.12(324)8.1÷9×2.1=1.89(325)3.53-5.64×0.5=0.71(326)7.02÷0.65÷1.2=9(327)1.56÷2÷0.39=2(328)5.76÷0.6÷0.4=24(329)4.59+5.75×3.4=24.14(330)2.65+2.51+8.54=13.7(331)9.18÷1.7×2.6=14.04(332)1.86÷0.6÷0.25=12.4(333)5.82×9.5÷5.7=9.7(334)6.25÷2.5×7.7=19.25(335)6.96-5.24+5.55=7.27(336)1.98+9.67-9.32=2.33(337)5.04÷1.4+2.73=6.33(338)8.08+3.33+0.39=11.8(339)2.6×16.7-2.6×6.7=26(340)9.5-0.35-2.99=6.16(341)6.46÷0.85÷0.19=40(342)1.53÷0.75÷0.8=2.55(343)8.04×7.75+8.04×2.25=80.4(344)5.24-2.97÷0.6=0.29(345)2.72÷0.2-7.18=6.42(346)6.55-2.51+1.92=5.96(347)3.41×2÷0.22=31(348)6.84÷0.9-3.91=3.69(349)2.8×6.95+2.8×3.05=28(350)7×6.6-4.63=41.57(351)7.7-1.34-5.11=1.25(352)8.22-7.73+1.2=1.69(353)4.18-4.3÷8.6=3.68(354)9.61+8.17-8.15=9.63(355)3.7+6.9×6.1=45.79(356)7.3×7.1+4.39=56.22(357)2.21÷1.3+7.8=9.5(358)3.2+4.4×8.1=38.84(359)2.01×53-2.01×3=100.5(360)1.8×0.8÷0.9=1.6(361)9.24-3.25-5.6=0.39(362)6.12×6.75+6.12×3.25=61.2(363)3.01÷0.14-2.22=19.28(364)8.33-1.35×4.4=2.39(365)1.32+0.02+8.18=9.52(366)5.21-1.04+8.62=12.79(367)3.17+4.06-6.95=0.28(368)7.28+7.29-0.37=14.2(369)9.79×40-9.79×0=391.6(370)2.93+3.1-1.23=4.8(371)2.8×2.9×8=64.96(372)6.45×7.6-6.9=42.12(373)4.87+4.05-6.95=1.97(374)1.25×4.93×0.08=0.493(375)5.99+5.35-2.16=9.18(376)8.66-4.62-1.29=2.75(377)5.6÷0.4×3.4=47.6(378)4.24×9.5-9.33=30.95(379)6.77-4.25÷1.7=4.27(380)8.32×7.5×6.2=386.88(381)9.47-2.02÷2=8.46(382)1.65-0.58÷0.4=0.2(383)3.4×9.2+8.58=39.86(384)4.5×1.6+4.5×8.4=45(385)0.25×0.06×4=0.06(386)1.44+4.96×2.5=13.84(387)2.5×6.98×0.4=6.98(388)7.98×4.5-4.09=31.82(389)5×5.6-8.59=19.41(390)1.55+5.79+0.59=7.93(391)8.99+7.12-0.9=15.21(392)7.7×8.7÷0.44=152.25(393)5.65+1.42+1.17=8.24(394)6.3×9.6÷0.42=144(395)3.3÷7.5+1.49=1.93(396)0.43+8.36-7.48=1.31(397)3.76-4.8×0.45=1.6(398)6.2-0.78×5.5=1.91(399)0.15×7.4+4.78=5.89(400)7.5×9.6÷8=9(401)8.66+8.74-3.78=13.62(402)0.18×66.5-0.18×6.5=10.8(403)8.17+3.78÷0.21=26.17(404)5×9.4×2.7=126.9(405)4.97÷0.71÷0.28=25(406)6.9÷2.5+5.89=8.65(407)4.95×8.6÷0.3=141.9(408)0.49+8.83×6=53.47(409)3.6+1.9×4.8=12.72(410)5.91×5+1.52=31.07(411)5.98+7.65×0.2=7.51(412)6×8.7×4.6=240.12(413)3.27÷0.75+4.96=9.32(414)5.21-5.78÷1.7=1.81(415)5.8×6.7+5.7=44.56(416)9.07+0.61-6.41=3.27(417)1.7×8.9+2.68=17.81(418)9.96-8.53-0.46=0.97(419)0.08+8.95×3.8=34.09(420)7.63-1.17÷0.9=6.33(421)7.82+9.07+1.49=18.38(422)5.63-8.5×0.52=1.21(423)7.88-8.2×0.85=0.91(424)8.33+8.44+3.84=20.61(425)5×6.66+5×3.34=50(426)6.54-0.27+5.3=11.57(427)3.34-0.95×3.4=0.11(428)4.4×39.1-4.4×9.1=132(429)9.3×0.8÷0.32=23.25(430)2.16÷2.4×0.6=0.54(431)1.69+3.81÷0.6=8.04(432)0.25×0.6×9.6=1.44(433)6.58×86-6.58×6=526.4(434)3.33÷0.36-5.74=3.51(435)8.29-2.96-2.55=2.78(436)3.1-5×0.11=2.55(437)4.6×7.6÷3.8=9.2(438)0.54÷0.12÷0.4=11.25(439)3.5×67.5-3.5×7.5=210(440)9.79+0.27-6.85=3.21(441)1.9+0.44×8=5.42(442)6.25×9.6×6.7=402(443)6.15÷0.6×0.56=5.74(444)9.17÷0.25÷0.8=45.85(445)7.2+3-9.9=0.3(446)9.58×17-9.58×7=95.8(447)7.85-6.49+2.58=3.94(448)7.9×9.8+7.9×0.2=79(449)4.7×96.8-4.7×6.8=423(450)8.51×5-3.05=39.5(451)2.15+6.22×7.5=48.8(452)5×8.7-5.18=38.32(453)3.42-9.78÷3=0.16(454)8.49×8÷0.3=226.4(455)3.77÷0.2-3.57=15.28(456)5.05×1.2+5.05×8.8=50.5(457)1.95÷2.6÷0.75=1(458)5.13+5.76÷0.4=19.53(459)5.43+8.69+4.68=18.8(460)5.49-2.82÷9.4=5.19(461)4.76-1.2-1.91=1.65(462)2.16÷5.4×0.95=0.38(463)7.11-4.3×1.2=1.95(464)6.8×0.45÷0.12=25.5(465)9.52÷0.16×0.36=21.42(466)6×6.4×5.5=211.2(467)5.37+7.94-1.76=11.55(468)6.6×4.1+0.82=27.88(469)7.05÷9.4÷5=0.15(470)3.11+9.08÷0.2=48.51(471)2.73÷1.3-1.78=0.32(472)8.41-2.52×0.75=6.52(473)5.52÷1.6+0.18=3.63(474)5.81-4.7+5.02=6.13(475)3.03÷0.15+0.99=21.19(476)5.31÷0.59÷3.6=2.5(477)1.32×6÷1.2=6.6(478)6.93-2.8-0.03=4.1(479)9.9×8-9.95=69.25(480)4.48÷0.14+4.55=36.55(481)4.56÷0.19÷0.32=75(482)7.07-1.04×3.5=3.43(483)0.84÷0.48×6.4=11.2(484)0.56×90-0.56×0=50.4(485)7.84÷0.16×8.3=406.7(486)8×0.75-2.01=3.99(487)0.25×4.82×0.8=0.964(488)2.03+8.51-4.18=6.36(489)4.02+7.29+3.41=14.72(490)3.82+0.99+4.79=9.6(491)9.1×8.8+7.68=87.76(492)1.74+3×0.91=4.47(493)0.98÷0.2+2.46=7.36(494)8.14+0.68÷4=8.31(495)7.61-0.61÷0.25=5.17(496)2.24÷0.32×2=14(497)6.08-1.52-0.16=4.4(498)8.1÷0.25+4.81=37.21(499)3.75×9.6÷6=6(500)1.51+2.67+7.42=11.6(501)8.9×8.7+1.67=79.1(502)6.27÷3.3+8.4=10.3(503)6.08-9.74÷2=1.21(504)6.38-1×3.4=2.98(505)9.19+5.4+0.18=14.77(506)1.26÷0.72×1.2=2.1(507)6.86÷0.4+6.77=23.92(508)7.4-2.55-0.22=4.63(509)2.27÷0.2-8.34=3.01(510)8.8-3.02+9.37=15.15(511)1.2×1.6+1.2×8.4=12(512)5.94÷0.4÷3.3=4.5(513)8.54÷0.2×1.4=59.78(514)6.5×6.6+6.5×3.4=65(515)1.1×41.5-1.1×1.5=44(516)7.27-1.4÷7=7.07(517)3.38×8.5-5.87=22.86(518)8.88÷0.3-7.27=22.33(519)9.97-7.67-1.09=1.21(520)4.22+5.41+8.66=18.29(521)8.72×7.75+8.72×2.25=87.2(522)0.25×4.66×0.8=0.932(523)5.55-3.2+5.25=7.6(524)9.33-1×9.2=0.13(525)2.2÷1.1+4.93=6.93(526)5.66+3.96÷9.9=6.06(527)1.24×6×3.5=26.04(528)4.7×6.9+4.7×3.1=47(529)8×7.23+8×2.77=80(530)6.07-0.97×5=1.22(531)6.5×0.14÷1.4=0.65(532)2.11-5.4×0.3=0.49(533)5.2-7.36÷6.4=4.05(534)3.24÷3÷0.27=4(535)8.78+5.5×0.4=10.98(536)1.3×5.5×5.2=37.18(537)9.37-0.6×0.55=9.04(538)3.1-0.44×0.5=2.88(539)8.81+9.39+6.37=24.57(540)9.62-6.67-2.34=0.61(541)9×8.43+9×1.57=90(542)3×88.2-3×8.2=240(543)5.96+3.04-3.32=5.68(544)12.5×9.97×8=997(545)12.5×0.72×0.04=0.36(546)6.94+5.32×1.5=14.92(547)9.7×6.4+4.94=67.02(548)0.91÷0.13×0.3=2.1(549)5.56÷0.16÷0.25=139(550)3.75×6.6+9.53=34.28(551)5.2×9.4-2.61=46.27(552)9.54-6.78+6.29=9.05(553)2.24÷4÷7=0.08(554)0.17÷0.5÷0.68=0.5(555)3.4×8.7÷0.87=34(556)7.1×9.2+1.29=66.61(557)5.72÷0.52×3.8=41.8(558)2.05×66.2-2.05×6.2=123(559)5.29-2.88+9.56=11.97(560)9.45×7+8.34=74.4