三年级数学(上)计算题专项练习附答案集锦

三年级数学(上)计算题专项练习附答案集锦637+730+53=230×6=56×(236-228)=120-(307-211)=661-328=166×4-599=540-(941-547)=717+683-136=337-37-69=200×(201-196)=296+(143-72)=136+516+585=193+233=43-43+412=6/8-1/8=739-641=562+142+135=462-294-129=387×2-541=103+369-133=113+157-123=424-(479-55)=441-69-220=68×6-385=925+828=58×5-35=440×7=613-162+486=806+149×5=647-(690-316)=32×5+444=331×3=929-349×2=335-225+149=430+40×9=124×3=217+268=296-122=115+243=778-409+829=865-(178+225)=844-308-367=84×5-270=391-37×6=742-(100+264)=821-84+190=344+738+149=186×4-264=325-(438-333)=331+(152-39)=105×(225-222)=591×9-750=841+724+402=152+116=35×9+396=746×(874-867)=206-160=970+864+166=381-(376-235)=464×7=863×8-273=205-(87-21)=512-(744-527)=439-369=909-(335+71)=880+757-753=791+627=979+849-115=266-29×7=396-137=179+229=578-45×9=365-185-172=641-242+463=537+962+887=439-418+393=313-31+257=470-64-330=371+(632-111)=371×2=408-148-245=648-130×4=54×(389-386)=82+(540-42)=377+342+55=334-(924-700)=421×2-128=1/8+5/8=766-428-101=229+108=139+(439-412)=633×8-242=386-354=407+(240-156)=358×(595-590)=588+26×3=187×(46-41)=123+(229-125)=692-561+198=928-109=885-64×4=291+(282-272)=413-166-83=132+198+280=99×2+345=527-116=118×8-421=248+718+731=280×7-553=56×6+633=123-(148-121)=474-168=235-(271-101)=793+(295-20)=329×2+763=86+(144-67)=973-609+995=232-141+117=464-186-95=944-72×9=546-143=289×(16-13)=466-71×6=97×(190-185)=275-(145+35)=153×4-547=991-194+741=402-(440-81)=5/8+2/8=815-257-17=498-(250+30)=224-69=590+667=394+(384-45)=141+198=531+173+234=182-109+328=495-(47+234)=168+315=268×(185-182)=945-860=370-346+350=70×6=187-13+30=720-282-17=189+34×5=402+86-200=107×(156-153)=72+(434-245)=416-309-89=391+41×2=242×3-711=381-154-164=137+40×3=385-(331-182)=846-324+448=495+797+315=493-(744-320)=244×(378-374)=817-57×8=682-410-123=10×3=474+(365-169)=435-74×5=723-(663-188)=21×9+249=179×5-790=731+344-559=445+226+176=559+453-918=52×8-47=779×(359-351)=218+347+631=849-142+52=265-228=984-(759+168)=456-208×2=498×4-229=205×3=975-(541+372)=515+874+361=32+179-98=925-258×3=257+126=903-551=412-177×2=897-96×4=127+(670-344)=196+(438-111)=467-(200+248)=879-357+947=205+144+34=924-(706-655)=823×7=458-20×9=47×6=946×(786-782)=737×9=477-85×4=879-(71+657)=603-(536-165)=584×(859-851)=411+834+720=497-(319-134)=476-286-141=525×4=253+208=141×4=778×(27-18)=156+(328-119)=660-514=5/7-2/7=52×3=716-(177+529)=481+457+787=544-18×5=370+164+173=353×(575-566)=481-179-55=523+328=468+(212-33)=206+(999-630)=493-183×2=143+98+735=91×8-48=765-(264+130)=962-485-337=2/9-1/9=383+682+633=147+225-302=426+788=425+394+35=124×6+183=688+59×6=219-(91-48)=138+56=918-98+104=247×3+347=783+(683-329)=139×(484-478)=497×9=835+208-466=126+359=768-(527-259)=431+61×9=916-541+45=102+179=958+854-996=607×9-31=209×2+296=416-357+38=115-(208-125)=582+(975-657)=355-72×2=184×(134-131)=303+(844-551)=150×6-431=241-12×5=142-(416-387)=484-377+139=457-140=443-(99-55)=130×(233-227)=713×(650-645)=302+(918-799)=651-148×3=468-129-15=242+56+395=644+840+695=862×4=660-313=75+181-138=411-309=85-19×3=340-(262-239)=317×2-320=230-(529-426)=237-130+197=526-87×5=905+191-358=127+(404-323)=764-437=529×3=312×2-35=187-148+44=373+694+192=80-33=506+484=828-(464+318)=205-34×3=578+816+671=749-(549+71)=119+70=284+859-249=489-164-48=4/8-3/8=23×7+345=860+36×2=93+160+392=237×7=546-267-166=50+173=259×2+169=403+149=443×(857-852)=181+196+29=305×3-832=373-(256+85)=493-(155+213)=125×4-337=32+382+291=763-54=81×(867-858)=298+177-159=620-74×4=427-12×5=665×4-992=1/7+6/7=489-314-86=466+747-495=88×(916-908)=47+278+199=861-529=38×(482-476)=141-32=844-263×3=424×(159-153)=856+949-326=489-(311-52)=149×6=454-(52-15)=2/6-1/6=811-782+879=598-473-75=743+(757-417)=35×8=567×(721-715)=861+143-468=183×6=237×8=888-(98-76)=200×(185-180)=481-143-299=200+(309-114)=10×(555-549)=85-62=244×2-175=271-(95+39)=165×3=958-(90-79)=4/7-2/7=301-136×2=927-(578-408)=134+(571-541)=589+258-68=618×(389-385)=219×4+17=495-320=203+448×2=167-38×2=292+84-197=752+422=238×4-535=772-115+812=3/7+2/7=320-(233-137)=375-370+38=776×5-411=724+48-41=46+469×2=349-(400-141)=269-95=978-(791-73)=493-417+196=293-(53+98)=238+99×6=248+(283-90)=933-827=657+437-205=57+549-411=40×5=453-97+693=567+267+546=28+620+285=500-(66+133)=634×(273-268)=434+39-462=871-(143-93)=783×3-782=390-152+152=243+238=97×6-239=671-(819-683)=440-46+904=349-(690-494)=175-(93-10)=540×7-722=246-(156+85)=264+(919-214)=734×6=144×3=234+195+74=264+105-325=322+901-167=946-(375+522)=182×3+21=690-628-49=488-(353-205)=88+60×3=299×7=241×2=810+656+197=117×2+465=233×(405-402)=835-257-224=91+(429-337)=139×(411-405)=251-125+148=199-12×2=56+308+337=463-(166+249)=185×5=285-66×3=24×2=138-69×2=906×(930-925)=452+302=815-23×9=756-99×3=132+256=250×3=181+199×2=137+39×9=11+383-108=253+(124-94)=279-(392-300)=113×4+198=863×4-233=108-10×7=876-584+381=543-414=121×7=536-381-120=963-381-315=562-(854-447)=475×2-755=847-616=22×(330-321)=69×(32-23)=50×7-299=538-437-54=620+(672-345)=217×3=404-68-323=297+71=400-211=19×9+411=496-312-124=307+(474-418)=5/10-2/10=953-(806+101)=613+588-502=285×7=146+271=788+218+427=412-88×4=455-(58+197)=422-299=6/7-1/7=842+(920-641)=430-78×5=744-(220+19)=455+162+158=333+645-713=529+(965-296)=155×6=328+102+570=384-340=43×(340-336)=547-(127-27)=990-146-838=655-109=759+163×3=303-75×2=160+254-370=508-42×9=1/5+3/5=466+(493-450)=418-34×8=109×3+234=843+501=801-434+137=936-(74+647)=794+598-111=683×4-672=772-280-341=405+172=310+247+147=211+(306-54)=188+329=122+(209-16)=409-(390+11)=229+162+83=236-56=61×6+342=853-622+856=439-207-222=140-30=111-35+19=911×(362-359)=530-414-50=393-98×3=356-143+112=723-428-200=451×2-139=81×2=284-117-41=405-74-162=111-22×4=659-86×3=312+853-896=557×5=332+250×4=697+(984-434)=533×9-881=341+176+289=304-(509-232)=806-(487+192)=431-18×6=843-56×8=320+58-361=263-(101+136)=42+82×2=4/9-3/9=45+133=480-136×3=188-(120-65)=442-179=1/6+4/6=408-(474-405)=7/9+2/9=677+(819-302)=111+633=1/6+2/6=152+486+142=312-(42+142)=47×(418-414)=419-277+220=224+565=919-118×3=937-(930-197)=474-(139+250)=182×8=21×4=266+(334-49)=170+79=85×7+270=59+264=535+833=415-26+22=6/10+2/10=837-58=110×(427-418)=475-31×5=2/3-1/3=447-(538-262)=410-(161+215)=790×(174-166)=318+53×3=405-(229+156)=471-73×5=734+212-412=460+31×2=943-235+547=1/5+4/5=123×(116-113)=588-512=627+805-694=523+226+286=661×(455-447)=419-206+10=600-42+128=136+280+315=501+459+246=254+(101-96)=717+(981-698)=272×3=339×2+182=500×8=993+425-430=29+54×5=473-(138+137)=721+22×6=438-369=960×7=682-585+30=448+90+226=70+957-214=33+571+296=3/7-2/7=36+(499-451)=474+31×4=723+(881-341)=966-(530+232)=869-142-107=490-(25+330)=117×6=750×(968-962)=10+54=270+179-197=468+517+814=973+717=309-(68+172)=334-(28+42)=904-631=370+109=212+428+175=386+(139-78)=3/8+4/8=877-(111+308)=810-94×4=918-373=513×8-176=744+504+571=326×3-466=279+405=317-40-144=92×3-87=378-366+198=921-142×5=848+(191-59)=224-141-50=149×2+291=128×(317-314)=402×2-221=351+(446-399)=645×8-464=289+207-391=271-18-200=940-201-50=122×4+370=432-(60+149)=356-20=670-(784-704)=494-(61+315)=801+626-325=912+215×4=326-(184+84)=210-112+234=739+514=482+937+798=427-26×2=547+(530-17)=19+313-256=460-(231+65)=823-548-79=433-292-89=129+41+699=68×4=218×2+171=84+62=761-81=637-(654-71)=538×7=446+523-692=461-(145+256)=260-(282-84)=903-(136-108)=431-(157+176)=323-38-153=202×3-204=149×6-310=769-29=247+(496-310)=890-(509+118)=749-25+745=421+416+849=333×4-407=810+(947-697)=406-(401-364)=451-221+71=260+900=256-38×2=743×7-314=23×9+128=1/5+2/5=579+171+123=901×(344-337)=576×(273-267)=363+189×3=91+(467-345)=583-(55+350)=72×5+762=99×(719-714)=76+219×3=992×(985-981)=722×2=193+233-174=10+46=11+298-194=87+403-54=144+266=311×(226-223)=407-(192+138)=414-380-22=104+263-357=241-209+96=421×4=371-280+481=95+20-110=221+189=718-457-99=417-(123+282)=32+464-192=639-192-178=674-11×4=201+(732-159)=143+205-17=132+380+774=491-294+277=860-794+26=257×8=139-(264-218)=710×3-880=292×9-525=359-(48+196)=344-18-195=815-(845-761)=680+765-181=111+371-40=309-(406-341)=794-133=518+458-892=264+192=455-37×9=277+304=392-172-88=106-(456-446)=212×(486-478)=73+387-282=171×9-229=796-(922-829)=402×2=221-18×9=196+(425-166)=965+298-343=437-280+336=36×5=313-(419-403)=468-(442-299)=993-546=772-321=781-136-503=104×9-543=256-175+235=416-172+215=93×6+288=168×4-305=65×2=863-773+544=775-549=498-361-40=110×5+879=686-(65+439)=180+304-320=470-169=311×(350-344)=797+274×2=424×2+670=900-(180+287)=36+416-327=274×6=515+569=134-103=258×2=260+(455-342)=179×5+805=863-156=781-225-308=108+71=194×(170-166)=354×6-834=402+89-291=783-301+514=65+261=975-(145+220)=785-625+360=30×4+680=51×5=370-232+210=39+(499-10)=130-33=62+14=87×(422-418)=497×2-442=844×4=222×3=534×7-518=645-174-168=915-(992-596)=316+95+146=668-352-297=734×(402-399)=45+444+611=834×4-960=442×2-864=99×(351-346)=677-447-83=470-167=73×6-353=69+202-248=93+229+63=201-(43+42)=310-76×3=293-50+107=546-(97+42)=493-(41+147)=289+128=962+(952-829)=599-178×2=157+171=479-479+205=813-(189+598)=348+234=108+220×4=94+(255-205)=402-66-115=372+64+525=318-48-155=473×9=281-60×3=756-235-285=852×7-678=674×2-443=323-132=110+128=61×9=904-(81+319)=248+428=628+171×2=488-38=134-86=96×(271-264)=118×(272-268)=394-202=907+(294-72)=267+91×7=961-370×2=193×7=481-136=23×(337-333)=174+348=83-56=334+112=481-(339+134)=319+(302-269)=246+(438-147)=366-(217-206)=868-(87+533)=226×9-505=34×(920-912)=556+221+711=244+230-219=4/8-2/8=参考答案637+730+53=1420230×6=138056×(236-228)=448120-(307-211)=24661-328=333166×4-599=65540-(941-547)=146717+683-136=1264337-37-69=231200×(201-196)=1000296+(143-72)=367136+516+585=1237193+233=42643-43+412=4126/8-1/8=5/8739-641=98562+142+135=839462-294-129=39387×2-541=233103+369-133=339113+157-123=147424-(479-55)=0441-69-220=15268×6-385=23925+828=175358×5-35=255440×7=3080613-162+486=937806+149×5=1551647-(690-316)=27332×5+444=604331×3=993929-349×2=231335-225+149=259430+40×9=790124×3=372217+268=485296-122=174115+243=358778-409+829=1198865-(178+225)=462844-308-367=16984×5-270=150391-37×6=169742-(100+264)=378821-84+190=927344+738+149=1231186×4-264=480325-(438-333)=220331+(152-39)=444105×(225-222)=315591×9-750=4569841+724+402=1967152+116=26835×9+396=711746×(874-867)=5222206-160=46970+864+166=2000381-(376-235)=240464×7=3248863×8-273=6631205-(87-21)=139512-(744-527)=295439-369=70909-(335+71)=503880+757-753=884791+627=1418979+849-115=1713266-29×7=63396-137=259179+229=408578-45×9=173365-185-172=8641-242+463=862537+962+887=2386439-418+393=414313-31+257=539470-64-330=76371+(632-111)=892371×2=742408-148-245=15648-130×4=12854×(389-386)=16282+(540-42)=580377+342+55=774334-(924-700)=110421×2-128=7141/8+5/8=6/8766-428-101=237229+108=337139+(439-412)=166633×8-242=4822386-354=32407+(240-156)=491358×(595-590)=1790588+26×3=666187×(46-41)=935123+(229-125)=227692-561+198=329928-109=819885-64×4=629291+(282-272)=301413-166-83=164132+198+280=61099×2+345=543527-116=411118×8-421=523248+718+731=1697280×7-553=140756×6+633=969123-(148-121)=96474-168=306235-(271-101)=65793+(295-20)=1068329×2+763=142186+(144-67)=163973-609+995=1359232-141+117=208464-186-95=183944-72×9=296546-143=403289×(16-13)=867466-71×6=4097×(190-185)=485275-(145+35)=95153×4-547=65991-194+741=1538402-(440-81)=435/8+2/8=7/8815-257-17=541498-(250+30)=218224-69=155590+667=1257394+(384-45)=733141+198=339531+173+234=938182-109+328=401495-(47+234)=214168+315=483268×(185-182)=804945-860=85370-346+350=37470×6=420187-13+30=204720-282-17=421189+34×5=359402+86-200=288107×(156-153)=32172+(434-245)=261416-309-89=18391+41×2=473242×3-711=15381-154-164=63137+40×3=257385-(331-182)=236846-324+448=970495+797+315=1607493-(744-320)=69244×(378-374)=976817-57×8=361682-410-123=14910×3=30474+(365-169)=670435-74×5=65723-(663-188)=24821×9+249=438179×5-790=105731+344-559=516445+226+176=847559+453-918=9452×8-47=369779×(359-351)=6232218+347+631=1196849-142+52=759265-228=37984-(759+168)=57456-208×2=40498×4-229=1763205×3=615975-(541+372)=62515+874+361=175032+179-98=113925-258×3=151257+126=383903-551=352412-177×2=58897-96×4=513127+(670-344)=453196+(438-111)=523467-(200+248)=19879-357+947=1469205+144+34=383924-(706-655)=873823×7=5761458-20×9=27847×6=282946×(786-782)=3784737×9=6633477-85×4=137879-(71+657)=151603-(536-165)=232584×(859-851)=4672411+834+720=1965497-(319-134)=312476-286-141=49525×4=2100253+208=461141×4=564778×(27-18)=7002156+(328-119)=365660-514=1465/7-2/7=3/752×3=156716-(177+529)=10481+457+787=1725544-18×5=454370+164+173=707353×(575-566)=3177481-179-55=247523+328=851468+(212-33)=647206+(999-630)=575493-183×2=127143+98+735=97691×8-48=680765-(264+130)=371962-485-337=1402/9-1/9=1/9383+682+633=1698147+225-302=70426+788=1214425+394+35=854124×6+183=927688+59×6=1042219-(91-48)=176138+56=194918-98+104=924247×3+347=1088783+(683-329)=1137139×(484-478)=834497×9=4473835+208-466=577126+359=485768-(527-259)=500431+61×9=980916-541+45=420102+179=281958+854-996=816607×9-31=5432209×2+296=714416-357+38=97115-(208-125)=32582+(975-657)=900355-72×2=211184×(134-131)=552303+(844-551)=596150×6-431=469241-12×5=181142-(416-387)=113484-377+139=246457-140=317443-(99-55)=399130×(233-227)=780713×(650-645)=3565302+(918-799)=421651-148×3=207468-129-15=324242+56+395=693644+840+695=2179862×4=3448660-313=34775+181-138=118411-309=10285-19×3=28340-(262-239)=317317×2-320=314230-(529-426)=127237-130+197=304526-87×5=91905+191-358=738127+(404-323)=208764-437=327529×3=1587312×2-35=589187-148+44=83373+694+192=125980-33=47506+484=990828-(464+318)=46205-34×3=103578+816+671=2065749-(549+71)=129119+70=189284+859-249=894489-164-48=2774/8-3/8=1/823×7+345=506860+36×2=93293+160+392=645237×7=1659546-267-166=11350+173=223259×2+169=687403+149=552443×(857-852)=2215181+196+29=406305×3-832=83373-(256+85)=32493-(155+213)=125125×4-337=16332+382+291=705763-54=70981×(867-858)=729298+177-159=316620-74×4=324427-12×5=367665×4-992=16681/7+6/7=1489-314-86=89466+747-495=71888×(916-908)=70447+278+199=524861-529=33238×(482-476)=228141-32=109844-263×3=55424×(159-153)=2544856+949-326=1479489-(311-52)=230149×6=894454-(52-15)=4172/6-1/6=1/6811-782+879=908598-473-75=50743+(757-417)=108335×8=280567×(721-715)=3402861+143-468=536183×6=1098237×8=1896888-(98-76)=866200×(185-180)=1000481-143-299=39200+(309-114)=39510×(555-549)=6085-62=23244×2-175=313271-(95+39)=137165×3=495958-(90-79)=9474/7-2/7=2/7301-136×2=29927-(578-408)=757134+(571-541)=164589+258-68=779618×(389-385)=2472219×4+17=893495-320=175203+448×2=1099167-38×2=91292+84-197=179752+422=1174238×4-535=417772-115+812=14693/7+2/7=5/7320-(233-137)=224375-370+38=43776×5-411=3469724+48-41=73146+469×2=984349-(400-141)=90269-95=174978-(791-73)=260493-417+196=272293-(53+98)=142238+99×6=832248+(283-90)=441933-827=106657+437-205=88957+549-411=19540×5=200453-97+693=1049567+267+546=138028+620+285=933500-(66+133)=301634×(273-268)=3170434+39-462=11871-(143-93)=821783×3-782=1567390-152+152=390243+238=48197×6-239=343671-(819-683)=535440-46+904=1298349-(690-494)=153175-(93-10)=92540×7-722=3058246-(156+85)=5264+(919-214)=969734×6=4404144×3=432234+195+74=503264+105-325=44322+901-167=1056946-(375+522)=49182×3+21=567690-628-49=13488-(353-205)=34088+60×3=268299×7=2093241×2=482810+656+197=1663117×2+465=699233×(405-402)=699835-257-224=35491+(429-337)=183139×(411-405)=834251-125+148=274199-12×2=17556+308+337=701463-(166+249)=48185×5=925285-66×3=8724×2=48138-69×2=0906×(930-925)=4530452+302=754815-23×9=608756-99×3=459132+256=388250×3=750181+199×2=579137+39×9=48811+383-108=286253+(124-94)=283279-(392-300)=187113×4+198=650863×4-233=3219108-10×7=38876-584+381=673543-414=129121×7=847536-381-120=35963-381-315=267562-(854-447)=155475×2-755=195847-616=23122×(330-321)=19869×(32-23)=62150×7-299=51538-437-54=47620+(672-345)=947217×3=651404-68-323=13297+71=368400-211=18919×9+411=582496-312-124=60307+(474-418)=3635/10-2/10=3/10953-(806+101)=46613+588-502=699285×7=1995146+271=417788+218+427=1433412-88×4=60455-(58+197)=200422-299=1236/7-1/7=5/7842+(920-641)=1121430-78×5=40744-(220+19)=505455+162+158=775333+645-713=265529+(965-296)=1198155×6=930328+102+570=1000384-340=4443×(340-336)=172547-(127-27)=447990-146-838=6655-109=546759+163×3=1248303-75×2=153160+254-370=44508-42×9=1301/5+3/5=4/5466+(493-450)=509418-34×8=146109×3+234=561843+501=1344801-434+137=504936-(74+647)=215794+598-111=1281683×4-672=2060772-280-341=151405+172=577310+247+147=704211+(306-54)=463188+329=517122+(209-16)=315409-(390+11)=8229+162+83=474236-56=18061×6+342=708853-622+856=1087439-207-222=10140-30=110111-35+19=95911×(362-359)=2733530-414-50=66393-98×3=99356-143+112=325723-428-200=95451×2-139=76381×2=162284-117-41=126405-74-162=169111-22×4=23659-86×3=401312+853-896=269557×5=2785332+250×4=1332697+(984-434)=1247533×9-881=3916341+176+289=806304-(509-232)=27806-(487+192)=127431-18×6=323843-56×8=395320+58-361=17263-(101+136)=2642+82×2=2064/9-3/9=1/945+133=178480-136×3=72188-(120-65)=133442-179=2631/6+4/6=5/6408-(474-405)=3397/9+2/9=1677+(819-302)=1194111+633=7441/6+2/6=3/6152+486+142=780312-(42+142)=12847×(418-414)=188419-277+220=362224+565=789919-118×3=565937-(930-197)=204474-(139+250)=85182×8=145621×4=84266+(334-49)=551170+79=24985×7+270=86559+264=323535+833=1368415-26+22=4116/10+2/10=8/10837-58=779110×(427-418)=990475-31×5=3202/3-1/3=1/3447-(538-262)=171410-(161+215)=34790×(174-166)=6320318+53×3=477405-(229+156)=20471-73×5=106734+212-412=534460+31×2=522943-235+547=12551/5+4/5=1123×(116-113)=369588-512=76627+805-694=738523+226+286=1035661×(455-447)=5288419-206+10=223600-42+128=686136+280+315=731501+459+246=1206254+(101-96)=259717+(981-698)=1000272×3=816339×2+182=860500×8=4000993+425-430=98829+54×5=299473-(138+137)=198721+22×6=853438-369=69960×7=6720682-585+30=127448+90+226=76470+957-214=81333+571+296=9003/7-2/7=1/736+(499-451)=84474+31×4=598723+(881-341)=1263966-(530+232)=204869-142-107=620490-(25+330)=135117×6=702750×(968-962)=450010+54=64270+179-197=252468+517+814=1799973+717=1690309-(68+172)=69334-(28+42)=264904-631=273370+109=479212+428+175=815386+(139-78)=4473/8+4/8=7/8877-(111+308)=458810-94×4=434918-373=545513×8-176=3928744+504+571=1819326×3-466=512279+405=684317-40-144=13392×3-87=189378-366+198=210921-142×5=211848+(191-59)=980224-141-50=33149×2+291=589128×(317-314)=384402×2-221=583351+(446-399)=398645×8-464=4696289+207-391=105271-18-200=53940-201-50=689122×4+370=858432-(60+149)=223356-20=336670-(784-704)=590494-(61+315)=118801+626-325=1102912+215×4=1772326-(184+84)=58210-112+234=332739+514=1253482+937+798=2217427-26×2=375547+(530-17)=106019+313-256=76460-(231+65)=164823-548-79=196433-292-89=52129+41+699=86968×4=272218×2+171=60784+62=146761-81=680637-(654-71)=54538×7=3766446+523-692=277461-(145+256)=60260-(282-84)=62903-(136-108)=875431-(157+176)=98323-38-153=132202×3-204=402149×6-310=584769-29=740247+(496-310)=433890-(509+118)=263749-25+745=1469421+416+849=1686333×4-407=925810+(947-697)=1060406-(401-364)=369451-221+71=301260+900=1160256-38×2=180743×7-314=488723×9+128=3351/5+2/5=3/5579+171+123=873901×(344-337)=6307576×(273-267)=3456363+189×3=93091+(467-345)=213583-(55+350)=17872×5+762=112299×(719-714)=49576+219×3=733992×(985-981)=3968722×2=1444193+233-174=25210+46=5611+298-194=11587+403-54=436144+266=410311×(226-223)=933407-(192+138)=77414-380-22=12104+263-357=10241-209+96=128421×4=1684371-280+4