沪教版小学数学计算去括号练习300题及答案

沪教版小学数学计算去括号练习300题及答案

(1)[71-(21+25)]X47(11)[4.2-(4.7-7.2)]X3.3

(2)36X((145-35)4-11](12)(60+109242)X50

(3)[5.5-(3-8.6)]X7.9(13)(1387-679)4-59

(4)38-(156-72)4-14(14)|22-(8.4-5.6)J-r9.6

(5)(33.5—32.284)+0.8(15)4204-(46-31)

(6)892-(492+31)(16)744-(75-38)

(7)[2i.92-(7.3-8.9)]4-2.4(17)[77+(36-15)]X24

(8)28.3-(12.3+5.28)=(18)36.14-(20.14-0.97)=

(9)[453+(7.7—5.8)]+5.9(19)(1.27+85.674)4-41.8

(10)2738+(44+30)(20)34X((994-44)4-50]

第1页共”页

(21)[1.7—(7.3—9.9)]X8.8(32)12154-(47X26-1195)

(22)(98.4-4.8)4-3.8X1.8(33)27X(79+288+12)

(23)(40.6-9)+2.4X1.7(34)15X38+(59-34)

(24)f6.8-(8.5-2)]X9(35)4.284-(21.4X4)=

(25)(38X10+2326)+41(36)(6484-244-91)X21

(26)(2254-15-3)X48(37)(84+28+69)XI3

(27)(90-16)X(2044-34)(38)(70-37)+19X13

(28)127+(4458-2208)-^90(39)46X(65—473・43)

(29)[39-(8.84-5)]-r4.5(40)152+(1057-497)4-40

(30)(40-3004-20)X47(41)[25.7+(4.5-9.9)]-r5.8

(31)6.8X(7.7-53)(42)[7.44-<03-0.5)]X1.9

第2页共17页

(43)441+(31+18)(54)39X(15+130+13)

(44)(75-6.2)4-1.9X5.7(55)(14X37+1242)+32

(45)36+(1989+255)4-68(56)[10.4+(47-1.3)]4-6

(46)613—(313+59)(57)(25-3304-15)X42

(47)[9.9—(2.9-6)]X7.1(58)48X8-(56-37)

(48)[32.55-(8.7+3.1)]4-2.5(59)42X(840+28—⑵

(49)3.4X(0.3+53)(60)13X(98-1204-20)

(50)[3.5+(6.4-3.6)]X2.9(61)(2.8+28.985)^-16.3

(51)25X62-2871-?87(62)44X(12694-45+15)

(52)[9.3—(7.9—8.2)]X4.9(63)(1005-459)+78

(53)[7.1+(7-7.9)]X4.8(64)17+(354+46)+40

第3页共17页

(65)[9.1+(2.9—8)]X3.1(76)31X50—1900+38

(66)42.02—(9.02+7.83)=(77)[65-(334-17)]X31

(67)44X[(376+32)4-34](78)(9.6+O.3)X5

(68)(10264-38-17)X45(79)(62—33)X(864+32)

(69)|9.5-(3.7-9.1)]X1.2(80)(40-5064-22)X50

(70)|l+(7.9-7)]X7.9(81)(50X36-1475)4-13

(71)(7.2—0.6)义3.3(82)38X(70+8414-29)

(72)(400=50-2)X28(83)(1884-16)^-34

(73)(139+1106)+83(84)[7.3+(4.6-4.2)]X2.7

(74)[64-(204-42)1X18(85)(3004-50-4)X27

(75)40X(21+8204-41)(86)43.77-(17.774-0.33)=

第4页共17页

(87)454-(254-114)(98)(3.81+98.106)4-29.8

(88)[91—(39+24)]X48(99)233.6+(4+3.3)

(89)(86-994-33)X40(100)(4.87+24.404)4-0.82

(90)(75-71)X(10264-38)(101)61X(5.5+3.7)

(9I)(5-1)X64(102)108+(474-109)+73

(92)45+(45X2)=(103)29.54—[15.54+4.49)=

(93)(8.1+9)X10(104)[57+(99-38)]X29

(94)60-(4011-1323)-^-64(105)42X(86+234=13)

(95)7.364-(9.2+0)(106)[3.66+(8.8—4.1)]+3.8

(96)(98+91+13)X22(107)5254-(60-45)

(97)168-(996-408)4-14(108)12324-(48-20)

第5页共17页

(109)[7.5-(l.1-2.4)]X9.9(120)[32-(99-98)1X21

(110)45X(9504-50-4)(121)(1.6+9.7)X21

(111)30X(90-2404-16)(122)168-(3164-860)4-72

(112)(152-52)4-20(123)39.09-(8.09+9.89)=

(113)811-(711-90)(124)35X(88+1230+41)

(114)832-(532+82)(125)44X(67—858+33)

(115)(25X37-85)4-35(126)175-(1145+1477)4-69

(116)(31+78-^-39)X40(127)[29.65-(9.34-5.5)]^-2.7

(117)205.44-(11.1-3.2)(128)29.7-(14.7-5.53)=

(118)5.4X(7.2+0.2)(129)36X[(437—12)+25]

(119)856—(556+63)(130)[78-(25+22)]X14

第6页共17页

(131)(7.6+5.3)X1.4(142)408-(208+169)

(132)(86—860+43)X6(143)2244-(343-21X15)

(133)39X17-(48-38)(144)33484-(48+45)

(134)(54-42)+17X16(145)4144-(16X16-210)

(135)(45X29+795)+10(146)(258+30)4-48

(136)673-(273-118)(147)22X口()36—48)+38]

(137)33.14—(17.14+5.32)=(148)(910+496)4-74

(138)[33.4+(2.6-8.8)]^-6.8(149)46X26-(85-33)

(139)[16+(40-26)1X10(150)519-(319-67)

(140)14524-(27X42-1090)(151)521-(221-30)

(141)13X(3774-29+11)(152)800-(300+120)

第7页共17页

(153)2436+(12+46)(164)709-(409+20)

(154)(51—58+29)X17(165)[73-(96-90)]X44

(155)[7.1-(1.3+2)]X6.3(166)(4.36+42.604)4-2.36

(156)[27+(53-12)]X29(167)[94—(26+32)]X30

(157)(9.1-5.669)4-0.47(168)[84-(89-82)1X38

(158)29.86—(6.86+6.38)=(169)41X[(426-20)4-291

(159)[11.96-(4+4)]4-1.1(170)33X(6.8+7.1)

(160)(17X21+61)^-11(171)(430+164)-^99

(161)33.45—(18.45+3.95)=(172)17X(79-2994-13)

(162)35.42-(6.42+2.71)=(173)[16.25+(2.8—2.8)]+6.5

(163)47X(1284-16-7)(174)[9.6-(3.4-5.9)]X6.5

第8页共17页

(175)[7.9-(5.8-2.1)]X0.7(186)41.7—(6.7+9.45)=

(176)(42-2734-39)X26(187)[3.9+(4.7-7.6)]4-0.4

(177)161-(3291-1191)4-84(188)624—(224+1X3)

(178)[3.8-(9.7-9.1)lX4.3(189)[66-(40-29)]X29

(179)(65+475+25)X48(190)159—(1272+1084)+62

(180)390-(190-160)(191)39.61-(3.61-1.12)=

(181)15X(48-12154-45)(192)35X[(1207+43)4-50]

(182)28X[(340+10)=14](193)[9.7+(4.5-6.7)]X8.5

(183)2700+(30+24)(194)1264-(1485-39X37)

(184)(4084-34-10)X19(195)(10X11+879)4-43

(185)27.25-(10.25+10.36)=(196)2375+(50+45)

第9页共17页

(197)[7.2—(3.1—5.5)]X3.8(208)(5.3-13)X44

(198)(90.3+3.6)+8.7X3.5(209)(35X42-1436)4-17

(199)198+(193+390)+53(210)23.31-(1131-1.18)=

(200)(63-264-13)X32(211)759—(659+58)

(201)(72-3424-19)X47(212)418—(118+134)

(202)(21X26-324)4-37(213)(93-11484-41)XII

(203)30X(2524-18+14)(214)36.22-(12.22-0.11)=

(204)25X[(588+36):39](215)50X(95-170^-17)

(205)(49-424-21)X34(216)(5.1+2.9)X64

(206)(2074-23-8)X37(217)(4.8+6.1)X2.2

(207)(4.44+90.48)4-45.2(218)[9.9+(1.3-2.8)]4-6

第10页共17页

(219)(47X15+609)4-18(230)2304-(11.5X4)=

(220)842-(542-189)(231)124-(2137+675)4-74

(221)55+(512+116R)4-48(232)[9—(2.9-5.2)]X5,7

(222)[2.6-<2.5-7.8)]X4(233)25.19-(1.19-9.09)=

(223)4414-(47X39-1784)(234)4.5X(1.74-3.8)

(224)[1.2-(4.1-7.4)]X6.9(235)36X(418+22+17)

(225)(8.24-2.1)X26(236)8X(4504-50-6)

(226)23X(517+47+6)(237)395-(295-33)

(227)890—(390+33)(238)[51-(26+19)]X14

(228)107-(2275-955)4-66(239)[28.8—(6.6—5.1)]+3.9

(229)[1+(8.7-24)]X0.3(240)551-(451-138)

第11页共17页

(241)[2.47+(9.5-2.4)]-rI.l(252)[74-(23+16)]X50

(242)(5764-32-6)X29(253)(33+364-12)X50

(243)323+(30X12—343)(254)[4+(06-1.4)]X7.6

(244)46.81-(2.81+1.22)=(255)79.24-(39.6X2)=

(245)13204-(13.2X4)=(256)(6464-34-17)X32

(246)(70-54)X(11504-23)(257)165—(733+785)+46

(247)18+(5712-2702)4-86(258)7564-(71-44)

(248)732-(332-52)(259)[3.81+(6.8-9.8)]^-O.l

(249)[57+(97-50)]X17(260)42.31-112.31+6.67)=

(250)36.14-(11.4+7.6)(261)(36X424675)4-31

(251)771-(371+291)(262)784—(334+129)

第12页共17页

(263)(99-97)X(804-16)(274)861-(361-12)

(264)722-(4224-192)(275)19X(80+1904-19)

(265)(90-88)X(7364-16)(276)(8.9+809.06)4-48.4

(266)(37-2884-24)X48(277)[6.7+(4.9-2.8)]X1.7

(267)(0.94+5.395)+3.62(278)[89-(50+25)JX13

(268)(31X29-290)4-29(279)149-(871-16)-r19

(269)2.5X(1.1-0.7)(280)(98-78)X(15964-42)

(270)[5.7-(7.8-2.8)]X3.5(281)37X(836+44+5)

(271)14X(94+660-?33)(282)0.4494-(4.49X2)=

(272)37X(36—160+32)(283)[2.924-(9-9.2)]4-0.4

(273)775—(475+236)(284)91X(0.2+9.9)

第13页共17页

(285)(76-50)+11X11(293)[132+(6.9—0.9)]+1.2

(286)(810+1070)4-94(294)(576+48+98)X6

(2R7)[52+(85-77)]X19(295)(16-304-15)X8

(288)(308+172)4-30(296)(1.72+759.68)・47

(289)[90+(82-48)]X20(297)(68-1804-20)X29

(290)23.05-(10.05-2.86)=(298)28X(279+31—7)

(291)[9.9-(3-8.7)]X2.3(299)14X(48-4564-19)

(292)726-(226+280)(300)(357^-17+80)X42

第14页共17页

沪教版小学数学计算去括号练习300题答案

(1)1175(21)37.84(41)3.5(61)1.95(81)25

⑵360(22)100.44(42)13.68(62)1892(82)3762

(3)87.69(23)35.68(43)9(63)7(83)6

⑷32(24)2.7(44)79.63(64)27(84)20.79

⑸1.52(25)66(45)69(65)12.4(85)54

(6)369(26)576(46)241(66)25.17(86)25.67

⑺9.8(27)444(47)92.3(67)528(87)314

(8)10.72(28)152(48)8.3(68)450(88)1344

⑼8(29)5.6(49)19.04(69)17.88(89)3320

(10)37(30)1175(50)18.27(70)15.01(90)108

(11)22.11(31)16.32(51)1517(71)21.78(91)256

(12)4300(32)45(52)47.04(72)168(92)0.5

(13)12(33)2781(53)29.76(73)15(93)171

(14)2(34)595(54)975(74)36(94)18

(15)28(35)0.05(55)55(75)1640(95)0.8

(16)2(36)2478(56)2.3(76)1500(96)2310

(17)2352(37)936(57)126(77)465(97)126

(18)16.97(38)280(58)365(78)49.5(98)3.42

(19)2.08(39)2484(59)756(79)783(99)32

(20)646(40)166(60)1196(80)850(100)35.7

第15页共17页

(101)561.2(122)136(143)8(164)280(185)6.64

(102)113(123)21.11(144)36(165)2948(186)25.55

(103)9.51(124)4130(145)9(166)19.9(187)2.5

(104)3422(125)1804(146)6(167)1080(188)217

(105)4368(126)137(147)572(168)2926(189)1595

(106)2.2(127)5.5(148)19(169)574(190)121

(107)35(128)20.53(149)1144(170)458.7(191)37.12

(108)44(129)612(150)267(171)6(192)875

(109)87.12(130)434(151)330(172)952(193)63.75

(110)675(131)18.06(152)380(173)2.5(194)3

(111)2925(132)396(153)42(174)78.65(195)23

(112)5(133)653(154)833(175)2.94(196)25

(113)190(134)284(155)23.94(176)910(197)36.48

(114)218(135)51(156)1972(177)136(198)124.35

(115)24(136)518(157)7.3(178)13.76(199)209

(116)1320(137)10.68(158)16.62(179)4032(200)1952

(117)26(138)4(159)3.6(180)360(201)2538

(118)39.96(139)300(160)38(181)315(202)6

(119)237(140)33(161)11.05(182)700(203)840

(120)651(141)312(162)26.29(183)50(204)400

(121)237.3(142)31(163)47(184)38(205)1598

第16页共17页

(206)37(225)267.8(2