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283+62×8=266×3+351=429-367+372=380-182=299-15×3=408-118-251=830+747-243=89×2=473-156×2=272-244=686-(682-117)=412×2-440=369-238+125=819-365+491=858+684+135=443-278-10=131×5=688+(806-475)=368-(169+66)=225+(317-18)=319-(125+106)=625×9-577=474-451=142-11=924+946-344=257+26-170=214+221=584+(882-311)=206+(473-414)=893+852+958=517×(220-213)=540+87×5=495-29×9=238×2=366-321-16=665×(140-136)=21×(31-26)=742+213=205+323+329=57×5-16=793-711=317+48×5=369-14-329=610×9-739=392-(473-141)=85×(476-473)=806-(143-69)=318-(448-339)=115-(333-296)=812×4-438=166×4+402=294-47-144=158×(368-365)=365+166+373=203+261+519=934-(723+87)=452-189=606+74+52=175×4-586=447-(416-181)=365-(267-167)=321-32×9=17+481+309=792-(205+246)=356+(607-193)=324-63×3=186-36×4=436-15×5=715-242-470=71×5+789=477-(309-197)=43×3+476=541-298+430=342-(450-340)=833-391=70+283=165-54+334=410-(226+137)=480-300-162=794+593-142=161+457+241=474×2-458=53×6+70=229-86-80=148+251-233=326×(999-991)=89+243=121×4+115=3/4-1/4=435+33-150=107+140+394=836×(65-62)=482-434=500-96-162=518+(783-617)=309+160-373=102×(184-179)=163×(372-369)=218-96+194=975-240-449=216+(355-301)=97-(499-488)=132×6+786=839-513-228=51×3=294-(44+40)=2/7+4/7=226×3=79-21=201-114+166=124+362=879-30-390=387-110-179=496+267+20=518×(693-686)=213-10×5=410×2-55=188+39×2=512-(171+134)=717-(546-23)=345+212+131=449+(456-423)=285-210+186=176+(355-119)=644+376+390=951+187=933-(352-245)=466-35×8=293+(90-87)=84-41=49+297×2=15×3+223=271+85×2=482-366+335=183×(470-465)=933+279=30×4=197×3+190=273+428+52=91+(964-907)=337×(565-557)=452×4-565=4/6-1/6=998-397+971=496-(80+359)=480-149=240+155=230+16×9=315-(738-702)=532+247=321+514+126=409+905+959=60+235×4=94+24=281+(628-274)=230+222=537×3=2/4-1/4=273×3=3/8+4/8=119-78=150+181=146+88×5=326+160=776×2=493-282-103=894-269-59=72+280-234=697+(656-327)=688×9-631=793-280×2=363-22=652+98×3=379-266+363=335+221=101×7=13×(363-360)=144×2=802+602+618=178-32×4=547×2=559+671=644+917+994=299×2=451×9=422+19-146=1/5+3/5=348-(153-52)=890-140-678=468-(20+375)=632+129+17=816-223=2/6-1/6=458+761+944=58+979+735=150+(390-89)=325+(450-344)=378-276=392+(488-412)=487-(55+189)=813-(249+317)=1/4+2/4=256×2-451=462+358+721=413+(348-55)=171+26-111=786×2-510=439+910-430=299+12×7=968-35×6=307+614+235=792×7=184×4-678=22×3=262+(855-295)=489-23-32=297-103-123=441-(162+98)=889-664=161+149-99=27×(137-128)=632+196-825=231+326×3=819-122×5=31×7=21×6=231-10×5=849-561=114×(410-406)=1/6+2/6=311×3+88=294-80×2=993-97-811=188+53×9=363+115=240-91×2=723×8-957=19×2+741=133×5-600=200×3+169=470-95×2=899-785+418=116×3=450-(141+188)=761-(352-337)=46+433+405=933+818+934=96×4+353=356×2+170=191-(144-124)=246-141+344=974-293+592=382-(136+23)=890-591=906-(12+721)=13×5=278-(14+91)=187+(409-113)=761×2=433-(81+257)=247-125-86=342-(82+133)=141×6=318×2-63=986-(767-261)=67+(430-271)=877+(644-139)=156+150=419-28-375=818-(119+324)=240+406=490-(112+279)=853-33×7=394-116-118=287+261=302-31×2=387-19+18=902-566+131=180+221=410+426=949-(14+280)=875-71×7=786+573+284=200+298=501-304=594-(259-66)=138×7=445+54×8=442+56+287=116+242=39+83=355-130+56=100×8=213-129-64=268-259+23=426-(87+251)=322-(170+126)=830×(711-703)=359+129×4=447-59×7=55+267-51=883-30-113=949-573+680=1/9+7/9=840-77×4=436-101=706-609+712=39×9-192=492-(364+57)=256+88+32=105×5-209=114+179×4=226-(267-150)=365+133=272-108×2=224×(459-454)=113+165=846-271×3=517-215×2=593-40-347=163+260-145=990-726+334=280+(389-133)=763-739=648-479=247+345+264=786-576=964+197-429=714×8-172=757-534=879-20×2=321-(321-45)=524+636=334+98×3=606+33-95=106×5-85=84+(262-23)=138+456+978=219×(464-460)=203-56+954=527-(898-541)=39×7=61+108=409×2-133=435-304-112=476-(297+13)=325-29×6=816+15×4=305×8-469=496-233-128=239-30×6=483-336+352=511×6-662=463-231-157=478-(778-525)=231×4-779=523+947-170=235+158-272=861-89×8=50×(219-214)=314-23-196=27+226-174=471-(282+95)=734-200×3=890-172-658=489-177-272=101×9-428=255+227-186=360×2-52=840×9-313=24+222-232=746×8=336-(709-606)=228+651=58-22=149+62-171=226×(476-473)=473-92×3=144×(666-657)=477-(344+87)=185-130=732-197-243=160+288=993+(547-462)=184-37×4=167+65=135×2+919=434×7-284=482+(841-791)=116×6=96×4=291+(245-63)=94×8-422=572-(468-312)=703+843+787=363-28=439-98-144=86+45=369-18=317×2=999-68×2=119+(220-122)=900-(466+146)=316×6-119=56×9=204+473+49=13+156×3=396+522-79=842-(776-731)=273×2=720-(680-269)=875-118×2=297×(548-544)=501-168=913+905-632=275-(40+224)=286-(483-277)=3/8-2/8=717-(891-810)=234+250=99+(124-33)=960-141-297=324-(193+65)=162+236-72=214-(227-21)=381-103+268=116×(66-58)=363-263=303×(270-262)=49+49×9=469-134=958-(105+507)=210×2+255=713-39-665=340+566-303=688-51×2=3/6-1/6=300×2-423=339-(423-381)=17+80-71=414-38×7=978+477+875=294-(22+204)=1/5+2/5=291×3=880-528-105=379-(379-187)=395-(368-154)=592×(102-93)=167×6=73×(288-284)=869×(409-400)=461×(839-830)=970-(228+291)=95+215=19+(496-101)=441+132×6=340-(495-380)=127-88+188=734+183×4=737×8-591=581-531=958-(129+786)=218×4=248-90=233-(201+16)=82-19=88×7-492=203+229-117=302+266=996-261-657=561+(225-24)=718-365-110=3/6+2/6=80×6+394=39+192=803+150=56+316×2=2/10-1/10=217+224-301=125+318=109×2=417-97+42=716-(104+554)=662-(265+15)=113×5=131×5+14=182-12×9=469-(317+41)=840-653+523=267×3+55=496-192-127=457-195=998-(60+300)=991-(161-141)=424-375+342=783+384-281=218-70+244=140-128+78=872-781=251+393+293=521×(80-73)=240-18+635=70×6-59=988-(892-109)=219×(227-223)=442-(453-192)=560×2=632+(907-436)=172×4=967-238+162=294+(483-390)=911×5=447-286+103=160-15×9=154+302-336=606+782-810=218+39+308=330-127=141×2+34=246+(453-204)=300-244+372=273-(494-267)=418-(461-325)=24+71=738+621-72=998-102+679=794-14-217=355+(206-23)=296+(704-98)=972-(240+341)=812-254+393=178+315=15×2+471=446-246+47=183+136-215=440×2-57=461-332+192=514-(745-324)=867-74-222=542-70+524=431×3-947=634-(874-495)=256+202+191=476+934+205=413+543=939-923=320+(303-101)=820+286-179=229×(295-286)=736×(880-873)=470-38×5=891-(521+201)=293+365-403=869-168+814=201×4=791×(237-234)=15×5+15=846-(152+288)=183+239=146×7-637=883×8-995=159+234=93×6=577×4-227=708×8-117=161×(196-192)=331-92=917×(179-171)=384-213+249=255-222=349-147+152=378×5-250=356+13-60=259-(512-309)=480-342=292+75=774-82×2=85-(122-48)=551+164+175=74×5+187=714×6-243=149-(258-122)=467-(365-101)=153×6-833=618-347-110=172-150+188=455-375-64=704+451-723=165×5-311=452-44×8=161×2+140=443+(409-352)=335+81-272=167+253-15=623-56×6=589-48=335-184-89=101×(478-469)=208-108=863×3=623-141-193=429-(117+224)=956-253+223=932-(488+95)=649×6-497=481-386+72=215×(330-327)=61+(133-125)=78×(219-216)=183-64=335-218-28=362×2-428=758-68×9=22×8-93=392-269+162=97+206=128+92+412=809+763-128=215-(628-602)=943-(550-337)=940-823=495-(452-345)=5/10-2/10=321-44×7=314+522+133=139-31+971=3/5-1/5=247+216+724=495-191=354+(375-329)=301-(11+41)=480-42×4=535-174+987=216-35×6=4/6+2/6=266+158=917-145×5=442+139×2=601+994+515=249-(210+24)=185×(169-166)=191-(102+37)=280-203=516+(469-215)=314+157=443+64+217=385-14=505×(651-646)=492+(368-224)=715-366+305=14+410+404=271+221-201=435×(921-914)=357×7-844=479-36×6=887-(414+24)=158×6+673=158×(668-662)=461+178+929=4/7-3/7=733+888=219+255-60=89+(964-97)=254+387+158=624×8-390=54+56+879=289×2-21=187-172+73=681-(576-460)=292-59=277+(975-967)=457+(341-337)=669-(431+157)=981-467-302=36+(584-146)=933-477-392=713+(515-110)=835-232×3=122×4-331=308-171-116=392-153-14=959+199×2=19+440+79=359-(277+46)=145+38+232=334+80×5=389-31×4=624-152+899=905×7=979+(753-659)=476-411=49×(397-394)=355×2-141=249×4-796=92×7=67+616+216=490-369+87=466-51×3=725×(381-377)=145×(143-137)=216+119=260+104-322=697-(44+295)=761+(936-751)=978-(70+209)=109-30-52=370-26=122×7-300=107×(309-301)=999+980+766=73+296=207+(360-328)=785+40×4=241+152×6=693-355-38=337-65+17=208+84=428+136+372=452×3-632=483×2=150-(415-298)=575-411+476=520+969-283=4/8+2/8=424+(382-306)=845+(888-103)=133×5=904-815=797+569-402=859-195×4=378-(607-462)=563×(899-890)=24+113=65+290-119=82×(82-74)=801+(755-291)=881-(49+809)=868-255=676-52=401+659-169=195-132+71=44-17×2=396-375+153=50×(419-414)=852-113=830×7=110+417=216+476=888-82×5=239-137-74=502+31×4=464-(45+380)=317+(274-35)=283+146-65=107×2-31=370+400=639-(494-318)=135-19×2=829-85+927=72×6+151=446+(366-45)=925-(517-241)=364-76-144=429-(68+121)=555+812+20=508+448-899=137×4=271-116+21=893-413+284=295×(856-852)=498-144×3=598+(816-734)=113×(347-344)=739+365+584=1/3+2/3=114×(669-663)=980+(805-769)=432-(36+172)=863+344-33=449+(209-49)=40×6+558=31×4+268=566+800+324=962-433×2=96×8-271=783-78=523+385=99×6=652-148-47=912-(400+143)=735+575-316=871-63×7=430×7-179=769×9=254+396+136=427-(224+40)=310-(382-205)=465-(214-89)=871+329-125=208+16×5=429-(121+41)=227-39-31=661+450=139×3=228×2+709=216-20×2=333×2=454-(299-195)=230×4=920×8=297×5=185+236+570=494+(48-37)=585-(697-278)=229×(453-450)=432-57+70=260+136=803-451=393-112=136×(72-69)=369-225-29=528×3-861=169+211=480-(345-224)=113×(439-432)=206×(218-214)=5/8+2/8=683+837+33=334-(477-407)=965+284=182+872-469=852+126+874=484×2=228+81-104=719-202×2=690-92=399×7=608×9=277×2=2/7-1/7=997-581-129=80+346-138=159×(348-341)=895-122-165=932+(120-10)=189+310-488=135+329+208=545+301-573=637×3-729=397-270=151+343-216=164+(306-292)=301×(16-13)=7/10-1/10=27×(103-96)=437-(163-81)=999-(680+109)=319-(209-104)=190×2=78×3+220=923-128-13=521+482+218=899×(694-685)=参考答案283+62×8=779266×3+351=1149429-367+372=434380-182=198299-15×3=254408-118-251=39830+747-243=133489×2=178473-156×2=161272-244=28686-(682-117)=121412×2-440=384369-238+125=256819-365+491=945858+684+135=1677443-278-10=155131×5=655688+(806-475)=1019368-(169+66)=133225+(317-18)=524319-(125+106)=88625×9-577=5048474-451=23142-11=131924+946-344=1526257+26-170=113214+221=435584+(882-311)=1155206+(473-414)=265893+852+958=2703517×(220-213)=3619540+87×5=975495-29×9=234238×2=476366-321-16=29665×(140-136)=266021×(31-26)=105742+213=955205+323+329=85757×5-16=269793-711=82317+48×5=557369-14-329=26610×9-739=4751392-(473-141)=6085×(476-473)=255806-(143-69)=732318-(448-339)=209115-(333-296)=78812×4-438=2810166×4+402=1066294-47-144=103158×(368-365)=474365+166+373=904203+261+519=983934-(723+87)=124452-189=263606+74+52=732175×4-586=114447-(416-181)=212365-(267-167)=265321-32×9=3317+481+309=807792-(205+246)=341356+(607-193)=770324-63×3=135186-36×4=42436-15×5=361715-242-470=371×5+789=1144477-(309-197)=36543×3+476=605541-298+430=673342-(450-340)=232833-391=44270+283=353165-54+334=445410-(226+137)=47480-300-162=18794+593-142=1245161+457+241=859474×2-458=49053×6+70=388229-86-80=63148+251-233=166326×(999-991)=260889+243=332121×4+115=5993/4-1/4=2/4435+33-150=318107+140+394=641836×(65-62)=2508482-434=48500-96-162=242518+(783-617)=684309+160-373=96102×(184-179)=510163×(372-369)=489218-96+194=316975-240-449=286216+(355-301)=27097-(499-488)=86132×6+786=1578839-513-228=9851×3=153294-(44+40)=2102/7+4/7=6/7226×3=67879-21=58201-114+166=253124+362=486879-30-390=459387-110-179=98496+267+20=783518×(693-686)=3626213-10×5=163410×2-55=765188+39×2=266512-(171+134)=207717-(546-23)=194345+212+131=688449+(456-423)=482285-210+186=261176+(355-119)=412644+376+390=1410951+187=1138933-(352-245)=826466-35×8=186293+(90-87)=29684-41=4349+297×2=64315×3+223=268271+85×2=441482-366+335=451183×(470-465)=915933+279=121230×4=120197×3+190=781273+428+52=75391+(964-907)=148337×(565-557)=2696452×4-565=12434/6-1/6=3/6998-397+971=1572496-(80+359)=57480-149=331240+155=395230+16×9=374315-(738-702)=279532+247=779321+514+126=961409+905+959=227360+235×4=100094+24=118281+(628-274)=635230+222=452537×3=16112/4-1/4=1/4273×3=8193/8+4/8=7/8119-78=41150+181=331146+88×5=586326+160=486776×2=1552493-282-103=108894-269-59=56672+280-234=118697+(656-327)=1026688×9-631=5561793-280×2=233363-22=341652+98×3=946379-266+363=476335+221=556101×7=70713×(363-360)=39144×2=288802+602+618=2022178-32×4=50547×2=1094559+671=1230644+917+994=2555299×2=598451×9=4059422+19-146=2951/5+3/5=4/5348-(153-52)=247890-140-678=72468-(20+375)=73632+129+17=778816-223=5932/6-1/6=1/6458+761+944=216358+979+735=1772150+(390-89)=451325+(450-344)=431378-276=102392+(488-412)=468487-(55+189)=243813-(249+317)=2471/4+2/4=3/4256×2-451=61462+358+721=1541413+(348-55)=706171+26-111=86786×2-510=1062439+910-430=919299+12×7=383968-35×6=758307+614+235=1156792×7=5544184×4-678=5822×3=66262+(855-295)=822489-23-32=434297-103-123=71441-(162+98)=181889-664=225161+149-99=21127×(137-128)=243632+196-825=3231+326×3=1209819-122×5=20931×7=21721×6=126231-10×5=181849-561=288114×(410-406)=4561/6+2/6=3/6311×3+88=1021294-80×2=134993-97-811=85188+53×9=665363+115=478240-91×2=58723×8-957=482719×2+741=779133×5-600=65200×3+169=769470-95×2=280899-785+418=532116×3=348450-(141+188)=121761-(352-337)=74646+433+405=884933+818+934=268596×4+353=737356×2+170=882191-(144-124)=171246-141+344=449974-293+592=1273382-(136+23)=223890-591=299906-(12+721)=17313×5=65278-(14+91)=173187+(409-113)=483761×2=1522433-(81+257)=95247-125-86=36342-(82+133)=127141×6=846318×2-63=573986-(767-261)=48067+(430-271)=226877+(644-139)=1382156+150=306419-28-375=16818-(119+324)=375240+406=646490-(112+279)=99853-33×7=622394-116-118=160287+261=548302-31×2=240387-19+18=386902-566+131=467180+221=401410+426=836949-(14+280)=655875-71×7=378786+573+284=1643200+298=498501-304=197594-(259-66)=401138×7=966445+54×8=877442+56+287=785116+242=35839+83=122355-130+56=281100×8=800213-129-64=20268-259+23=32426-(87+251)=88322-(170+126)=26830×(711-703)=6640359+129×4=875447-59×7=3455+267-51=271883-30-113=740949-573+680=10561/9+7/9=8/9840-77×4=532436-101=335706-609+712=80939×9-192=159492-(364+57)=71256+88+32=376105×5-209=316114+179×4=830226-(267-150)=109365+133=498272-108×2=56224×(459-454)=1120113+165=278846-271×3=33517-215×2=87593-40-347=206163+260-145=278990-726+334=598280+(389-133)=536763-739=24648-479=169247+345+264=856786-576=210964+197-429=732714×8-172=5540757-534=223879-20×2=839321-(321-45)=45524+636=1160334+98×3=628606+33-95=544106×5-85=44584+(262-23)=323138+456+978=1572219×(464-460)=876203-56+954=1101527-(898-541)=17039×7=27361+108=169409×2-133=685435-304-112=19476-(297+13)=166325-29×6=151816+15×4=876305×8-469=1971496-233-128=135239-30×6=59483-336+352=499511×6-662=2404463-231-157=75478-(778-525)=225231×4-779=145523+947-170=1300235+158-272=121861-89×8=14950×(219-214)=250314-23-196=9527+226-174=79471-(282+95)=94734-200×3=134890-172-658=60489-177-272=40101×9-428=481255+227-186=296360×2-52=668840×9-313=724724+222-232=14746×8=5968336-(709-606)=233228+651=87958-22=36149+62-171=40226×(476-473)=678473-92×3=197144×(666-657)=1296477-(344+87)=46185-130=55732-197-243=292160+288=448993+(547-462)=1078184-37×4=36167+65=232135×2+919=1189434×7-284=2754482+(841-791)=532116×6=69696×4=384291+(245-63)=47394×8-422=330572-(468-312)=416703+843+787=2333363-28=335439-98-144=19786+45=131369-18=351317×2=634999-68×2=863119+(220-122)=217900-(466+146)=288316×6-119=177756×9=504204+473+49=72613+156×3=481396+522-79=839842-(776-731)=797273×2=546720-(680-269)=309875-118×2=639297×(548-544)=1188501-168=333913+905-632=1186275-(40+224)=11286-(483-277)=803/8-2/8=1/8717-(891-810)=636234+250=48499+(124-33)=190960-141-297=522324-(193+65)=66162+236-72=326214-(227-21)=8381-103+268=546116×(66-58)=928363-263=100303×(270-262)=242449+49×9=490469-134=335958-(105+507)=346210×2+255=675713-39-665=9340+566-303=603688-51×2=5863/6-1/6=2/6300×2-423=177339-(423-381)=29717+80-71=26414-38×7=148978+477+875=2330294-(22+204)=681/5+2/5=3/5291×3=873880-528-105=247379-(379-187)=187395-(368-154)=181592×(102-93)=5328167×6=100273×(288-284)=292869×(409-400)=7821461×(839-830)=4149970-(228+291)=45195+215=31019+(496-101)=414441+132×6=1233340-(495-380)=225127-88+188=227734+183×4=1466737×8-591=5305581-531=50958-(129+786)=43218×4=872248-90=158233-(201+16)=1682-19=6388×7-492=124203+229-117=315302+266=568996-261-657=78561+(225-24)=762718-365-110=2433/6+2/6=5/680×6+394=87439+192=231803+150=95356+316×2=6882/10-1/10=1/10217+224-301=140125+318=443109×2=218417-97+42=362716-(104+554)=58662-(265+15)=382113×5=565131×5+14=669182-12×9=74469-(317+41)=111840-653+523=710267×3+55=856496-192-127=177457-195=262998-(60+300)=638991-(161-141)=971424-375+342=391783+384-281=886218-70+244=392140-128+78=90872-781=91251+393+293=937521×(80-73)=3647240-18+635=85770×6-59=361988-(892-109)=205219×(227-223)=876442-(453-192)=181560×2=1120632+(907-436)=1103172×4=688967-238+162=891294+(483-390)=387911×5=4555447-286+103=264160-15×9=25154+302-336=120606+782-810=578218+39+308=565330-127=203141×2+34=316246+(453-204)=495300-244+372=428273-(494-267)=46418-(461-325)=28224+71=95738+621-72=1287998-102+679=1575794-14-217=563355+(206-23)=538296+(704-98)=902972-(240+341)=391812-254+393=951178+315=49315×2+471=501446-246+47=247183+136-215=104440×2-57=823461-332+192=321514-(745-324)=93867-74-222=571542-70+524=996431×3-947=346634-(874-495)=255256+202+191=649476+934+205=1615413+543=956939-923=16320+(303-101)=522820+286-179=927229×(295-286)=2061736×(880-873)=5152470-38×5=280891-(521+201)=169293+365-403=255869-168+814=1515201×4=804791×(237-234)=237315×5+15=90846-(152+288)=406183+239=422146×7-637=385883×8-995=6069159+234=39393×6=558577×4-227=2081708×8-117=5547161×(196-192)=644331-92=239917×(179-171)=7336384-213+249=420255-222=33349-147+152=354378×5-250=1640356+13-60=309259-(512-309)=56480-342=138292+75=367774-82×2=61085-(122-48)=11551+164+175=89074×5+187=557714×6-243=4041149-(258-122)=13467-(365-101)=203153×6-833=85618-347-110=161172-150+188=210455-375-64=16704+451-723=432165×5-311=514452-44×8=100161×2+140=462443+(409-352)=500335+81-272=144167+253-15=405623-56×6=287589-48=541335-184-89=62101×(478-469)=909208-108=100863×3=2589623-141-193=289429-(117+224)=88956-253+223=926932-(488+95)=349649×6-497=3397481-386+72=167215×(330-327)=64561+(133-125)=6978×(219-216)=234183-64=119335-218-28=89362×2-428=296758-68×9=14622×8-93=83392-269+162=28597+206=303128+92+412=632809+763-128=1444215-(628-602)=189943-(550-337)=730940-823=117495-(452-345)=3885/10-2/10=3/10321-44×7=13314+522+133=969139-31+971=10793/5-1/5=2/5247+216+724=1187495-191=304354+(375-329)=400301-(11+41)=249480-42×4=312535-174+987=1348216-35×6=64/6+2/6=1266+158=424917-145×5=192442+139×2=720601+994+515=2110249-(210+24)=15185×(169-166)=555191-(102+37)=52280-203=77516+(469-215)=770314+157=471443+64+217=724385-14=371505×(651-646)=2525492+(368-224)=636715-366+305=65414+410+404=828271+221-201=291435×(921-914)=3045357×7-844=1655479-36×6=263887-(414+24)=449158×6+673=1621158×(668-662)=948461+178+929=15684/7-3/7=1/7733+888=1621219+255-60=41489+(964-97)=956254+387+158=799624×8-390=460254+56+879=989289×2-21=557187-172+73=88681-(576-460)=565292-59=233277+(975-967)=285457+(341-337)=461669-(431+157)=81981-467-302=21236+(584-146)=474933-477-392=64713+(515-110)=1118835-232×3=139122×4-331=157308-171-116=21392-153-14=225959+199×2=135719+440+79=538359-(277+46)=36145+38+232=415334+80×5=734389-31×4=265624-152+899=1371905×7=6335979+(753-659)=1073476-411=6549×(397-394)=147355×2-141=569249×4-796=20092×7=64467+616+216=899490-369+87=208466-51×3=313725×(381-377)=2900145×(143-137)=870216+119=335260+104-322=42697-(44+295)=358761+(936-751)=946978-(70+209)=699109-30-52=27370-26=344122×7-300=554107×(309-301)=856999+980+766=