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846-345×2=485-47×9=149×5-706=477×6=141×(300-295)=890+831=268-189+414=210×2+423=337-17=85+367-297=980+137×5=447-(332-25)=180+(988-534)=246+543=247-218+106=420+494-773=430-71×3=41×7-283=393-63×2=55×(123-116)=85×2=2/5-1/5=621-(285+300)=117+14×4=589-150=539-(824-603)=233+103-63=975-(270+530)=394-(955-586)=166-(72+34)=998-(544+330)=3/6-1/6=263+428+104=153-(252-178)=168-64=77×4+306=259×3=144+(448-331)=385-(27+269)=907×7-431=658-318=949-45=777-384×2=750+143=60+(452-49)=967×7=479-465+335=988-222-625=464-(403-140)=107×2+983=227+(924-205)=892-145+428=994+964=105+288-39=494-(63+65)=252-206+789=159+184-172=766-122×6=282-90×2=762-490-108=410-305-15=300×3-762=62+120-49=757-221+913=480×5=362-(120-10)=478-443+201=959-385+531=58+146+129=804+(386-352)=293-76×2=6/8+2/8=299-48×6=219×2-296=620-(998-689)=217-(115+101)=87×(106-99)=776-350-271=67×(414-406)=657-83-529=466-(439-356)=227+56×9=645-194-163=126×(278-273)=451-152=275-64-117=942-(714+14)=486-144×3=148×2+202=879-846=492-(529-62)=95+562+368=475+697+493=152+700-742=571×9=946-(392+454)=226-17-152=600+657+915=970-967+907=175+312=951-171+17=130×7-831=247+245-80=77-13×5=123+161×3=108×7=196×(32-27)=367×2-282=804-293+924=231+233=919+373+944=644+741-840=273-67-50=84×7=297×2-448=761+155+70=452-106=458-358+49=335-125-41=268-33+206=547-(891-436)=319-48×5=287+323+377=965+439=59×3+310=490-(57+313)=616+725+66=329-92×2=107+298=556-(220+113)=153-(54+75)=340-(49+209)=89+980-756=204+131×4=474-(127+47)=701-301×2=967+682-12=182×2+423=475-15×9=30×(397-392)=152×7-912=364+(403-53)=516-388+12=50×(205-199)=650-(992-804)=397-320=282-(441-204)=123×(118-114)=101×(134-129)=288+504-207=607-158=670+124=86+278=475+219×4=322-(78+62)=411+19×4=228+45×8=94×6+365=45+205=431-64×4=461-222×2=254+90=266-27×5=494-(74+145)=324×4-773=711+(740-615)=208-147+253=440×2-386=719×4=385-148+234=368-132=325-259+276=759+258×3=663-33×4=415-126-79=450-(344+87)=69+(410-315)=563+(521-144)=202-18×8=377-372+308=124×4=209×2=257+(202-188)=972-450×2=381-(130-54)=216+224+178=591-(17+172)=589-49×9=851×6=700-(475-335)=160+515+225=361+15×3=910+801-248=178+175-84=477+961=165+49=825-643+659=438-204-159=410+287=295+87=3/8+4/8=581×(316-309)=20×(165-160)=520-33=80+922-458=461+111=996+975-689=66+265+545=610×8-431=941-70×9=875-176-588=314-(279-214)=995+(410-150)=738×7-483=199+(413-401)=153+291+507=211-123+184=81+(390-160)=446+(387-210)=14×7+702=378+87×2=77×3-131=66×(296-287)=53×(180-176)=53+(385-82)=914-288-599=406-(721-575)=123+299=316-(353-121)=827×(735-731)=167-65=240-(471-416)=262+45=149+142+132=608-(888-689)=723-431+943=110+222+60=442-24-388=134×7+59=587-(812-736)=213×3-175=748-(285-24)=148+180-69=50+213=480+59+227=163×5=496+(184-24)=472+(420-103)=526-24=789+(906-775)=139×6-183=426-178+170=719-425-72=311+377+199=734-335=265+162=122×5-437=276-72×3=623-279+254=40×9+431=37-10=416-112×3=184+284=384-202+168=217+186-39=292+46×6=882+74+756=900×6-966=711-(130+224)=522+875+483=832-503-204=394+347+584=976×(830-824)=931-613+293=377×(971-966)=843+158-346=201-(251-95)=138+(891-30)=666+593+563=266+232=275-(41-32)=377-81-21=175×3=962+332+743=474-13×9=122×4=764+178-751=127×5-295=849+(908-241)=319-13×7=970-550+102=199-114-85=27+427-374=458-(35+330)=407-61=231-136=18×2+221=437-181=341+229-177=44+53=482+(995-330)=685-(847-713)=110×(224-216)=65+139×6=388-311=55×(205-198)=367-(451-221)=405+313+131=330-188=502-130-222=3/10+6/10=110×(209-203)=437+231=444-181-106=132+145×3=368-70×4=882-396+10=749×2=896×4=344-77×4=460-169=95-(383-340)=659+(646-371)=627-(301-16)=694-95×3=367-(28+67)=253+825+768=189-28-41=111+221-39=183+354=451+181+24=785×(551-543)=604×(895-891)=189+63-68=512-(169+280)=359×(692-686)=640-236-210=457-182-154=933+(693-279)=965-390-518=832-(877-193)=393-230-159=273-50-30=287+(401-37)=371-103=93+204=66+200=325+104-421=979-428+426=5/10-4/10=160+16-18=211×(355-351)=805-271-477=732-(406-279)=348-(205+58)=828×7=803-298+760=237×(46-38)=462-71-126=7/8-1/8=273-(234-90)=417+412×2=661-229=605-(675-582)=24×9-212=168×6=193+(164-77)=417-34×7=109-(498-488)=496-291+159=652+(860-307)=533-(78+118)=392+(399-245)=68-66+306=310×3+347=305+77-139=404-307+218=276+246×2=373-56-241=538+489+578=604-(920-384)=550+(752-332)=177+256=317×3=104×4+810=939-(392-371)=429-252=773-(766-431)=135+274+504=473-13-133=6/10+3/10=357+25-270=533+251+76=233×4-771=291-(14+203)=49+37+800=225×4+20=66+(282-240)=408-156=319-88-39=640-85×7=771×4-193=429-93×4=18+475-60=867-18=208×(413-407)=44×4=691-80+494=270-(56+137)=737+877=36×4=834-432-145=187+266-142=304+80×5=270+180-108=591×8=963×(659-652)=955-540-134=564+760+326=186×2+113=256-106×2=447-(557-216)=46×5+406=119+83×2=936-816+630=167-78=1/8+5/8=580-204=356-(41+279)=472+(993-345)=723-(183+168)=306×3=162×2=727-(109+441)=940-(884-798)=999×7=2/7-1/7=500+55+148=4/7+3/7=492+882+524=547×8-923=244-22×7=179×6-523=13×6+460=700×9=159+(462-84)=782+500=309-(102+98)=897-110+447=4/8+3/8=105×(391-382)=78-38=4/6-1/6=159-43=126+626+49=981×(442-437)=594-162×2=493-395+22=64×(113-108)=999+108+579=5/6-1/6=915-502=582×6=131+(691-460)=411+264×2=442×6-326=811-245×2=326×3+572=758×8-419=12×2+495=55×5=938+(969-663)=394+199=812-615=292+78=494-(408-57)=473+429-700=574+(997-972)=579×(762-757)=414+727-715=255×2=802×6-971=3/5-1/5=473-(180+222)=313×6=407-(85+250)=101×5-457=198×4-662=175-165+425=929+(895-672)=370+(318-188)=163-12×4=319×(331-328)=442×2-346=100×(600-591)=638+(280-198)=29+361-315=348+(237-223)=254-32=134+78=60×8=138×2-130=768-(270+106)=741+710-620=490-(114+263)=278+97×4=210-158=274×(201-198)=28×7=139+207×3=325-24-291=85×(57-52)=751-(306+246)=807-49×2=482+841+630=221×8-700=949-298×3=439×2=76+362-130=718×(254-246)=367-21×7=133×2-21=68+95=416-49=62×3-57=60+(486-406)=605-(209-181)=441-204-197=2/4-1/4=425+93×2=270-103-85=323-(477-474)=16×(132-129)=422-69=98×3=783-185×4=234+162=462-207×2=113-103+455=358+(484-218)=178-100+158=574-55+996=198-179+336=401-(436-151)=930-69+305=308-(164+57)=215×3-369=110+(479-106)=331-(27+172)=699×(770-767)=547-10-229=999+637-435=226+42=521-239×2=863-455=897-(224+127)=245×6=497+(905-70)=649-(144+182)=115+315=143×3+210=623+35×2=554-(76+413)=725-(341+108)=200+145-82=990×(655-651)=253×7-125=536-(62+400)=559-382+160=497-109-179=348+105=419-(47+296)=495-(33+319)=205+(99-11)=6/10-2/10=63×(281-272)=448-35×9=607-99-341=287-246+139=965+722=172×2-99=337-220=297-26+175=397-262=191×2=983+231=204+21+97=981-772+428=94-26=360-138-81=1/4+2/4=36+261+306=221+64+547=805×7=299-(77+119)=145+279=303×2+463=809-213+795=777+702-709=876-(450+34)=38×(280-272)=633×8-972=83×8=244×(703-700)=953-53×4=302+630+38=430-403+129=159+514+122=178+12×3=340+208+367=227×4=816-(770-440)=270+993-142=989-848=613×(161-153)=149×5=410-(265-144)=670×4=323+72×5=141×3+208=991+66-566=314-(397-319)=207+60-153=876-(721-289)=226+380+327=356×9-670=947-(714-104)=311-(155-116)=937+(891-117)=118×3+778=446+(321-196)=58+97-111=328+102-87=99+168-222=729+879-942=290+386=326-(204+32)=150×3-300=886-21×5=127+276=292-30×7=381×2+153=176×3-360=704×6-74=35×8+156=399-93+106=211-(59+31)=249+533+180=58×(269-265)=486-(334+23)=209-102×2=57×2+528=331+(106-29)=161×(105-101)=807-(518+17)=158+91+342=460-268-129=942-645-76=385-(30+21)=969-526-251=494+(304-60)=195+247+130=554-473+858=537+287×2=482-106+37=369-23-222=460-323=965-615=136×7-788=423-27×7=757×7-727=154×4=261+51-295=484-146=393×(924-918)=202-102=304+613-484=119+59=938-271+370=472×(935-931)=910×7=261-(299-65)=679+(309-308)=727-317-33=136+202-12=239+150×2=268+385+208=480-(378-193)=675-142-213=133×5=43×6=135+973+103=430-(148+194)=364+75=537+(516-327)=913×5=104+298-80=404-348=282-122-112=473×2-731=141+71=329-268=220+237+466=462-256+178=512×6-434=738+155=449-111×2=344+(653-58)=328×3=754-294-97=368-290+135=685×2-193=450+(337-272)=290+(490-427)=570-(585-523)=852-(446-222)=959-766+550=69+66=935+282-776=16+307+857=977-355+625=767×5=270-(87+67)=124+61=899-772=739-179-202=176+(486-376)=637+489-995=414-(256-38)=4/7-1/7=977-278-178=52×4+259=421×2-243=849-607=236+144-12=583-(105+268)=698-515=488+(140-136)=376+77×4=685×(878-871)=540+783-910=47+77=199-31×3=124×3-35=342×2=2/7+3/7=859+351-115=266+67=913-512-26=526-348-37=661×6=465-97×4=243-94=175+(400-262)=330+297=414-(157+36)=843-726=385+332=164+458=36+631+226=444+823=611×4-584=336-(291-46)=122×5=249×4-273=897×4-626=986+367+315=969-102×6=242+567+985=696+(675-418)=445-380=116-11+313=312×2-261=744-64-359=223+43=68+286+499=965-443-41=556+186+20=60×(192-187)=111×(381-376)=331-33×9=204+732-194=168+301-291=222-32×3=70×(106-97)=853-(694+54)=236-207+305=930-729=146+(350-288)=164×5=430-(249-128)=615+335=343+868-266=482×2-932=1/10+9/10=156+121=44+187=456-74-26=264-188=997-(307+255)=310+44-188=343×(328-322)=182×3+284=254-72=209-(418-253)=50×(328-320)=70×(73-68)=59×9+163=658×(891-888)=476×(905-902)=388+18×9=204-12+98=221-207+184=668+(982-872)=331×8-33=477-17×2=71×(122-113)=362×2=124-(432-336)=2/3-1/3=283-(93+22)=760×(593-585)=448-300=222+180+360=102×5=24+768+139=735+104×3=552×4-778=30×3=450×9=912+840+428=499-82×4=661+696+132=716+(737-540)=458-216-237=498+86+103=494+(326-280)=118×5=72×7-114=986-(598+234)=332-(64+166)=311-(474-445)=195×5=461-(454-221)=217×4-679=900+479-958=7/10+2/10=123+552+220=217-(173-130)=441-197-159=335×4-766=339-76-10=93×7+578=386-69×2=300-157=102×(269-262)=309×(372-369)=584×8=2/8+3/8=700-26×5=771-(495-25)=246×2-248=460-363=851-179-363=参考答案846-345×2=156485-47×9=62149×5-706=39477×6=2862141×(300-295)=705890+831=1721268-189+414=493210×2+423=843337-17=32085+367-297=155980+137×5=1665447-(332-25)=140180+(988-534)=634246+543=789247-218+106=135420+494-773=141430-71×3=21741×7-283=4393-63×2=26755×(123-116)=38585×2=1702/5-1/5=1/5621-(285+300)=36117+14×4=173589-150=439539-(824-603)=318233+103-63=273975-(270+530)=175394-(955-586)=25166-(72+34)=60998-(544+330)=1243/6-1/6=2/6263+428+104=795153-(252-178)=79168-64=10477×4+306=614259×3=777144+(448-331)=261385-(27+269)=89907×7-431=5918658-318=340949-45=904777-384×2=9750+143=89360+(452-49)=463967×7=6769479-465+335=349988-222-625=141464-(403-140)=201107×2+983=1197227+(924-205)=946892-145+428=1175994+964=1958105+288-39=354494-(63+65)=366252-206+789=835159+184-172=171766-122×6=34282-90×2=102762-490-108=164410-305-15=90300×3-762=13862+120-49=133757-221+913=1449480×5=2400362-(120-10)=252478-443+201=236959-385+531=110558+146+129=333804+(386-352)=838293-76×2=1416/8+2/8=1299-48×6=11219×2-296=142620-(998-689)=311217-(115+101)=187×(106-99)=609776-350-271=15567×(414-406)=536657-83-529=45466-(439-356)=383227+56×9=731645-194-163=288126×(278-273)=630451-152=299275-64-117=94942-(714+14)=214486-144×3=54148×2+202=498879-846=33492-(529-62)=2595+562+368=1025475+697+493=1665152+700-742=110571×9=5139946-(392+454)=100226-17-152=57600+657+915=2172970-967+907=910175+312=487951-171+17=797130×7-831=79247+245-80=41277-13×5=12123+161×3=606108×7=756196×(32-27)=980367×2-282=452804-293+924=1435231+233=464919+373+944=2236644+741-840=545273-67-50=15684×7=588297×2-448=146761+155+70=986452-106=346458-358+49=149335-125-41=169268-33+206=441547-(891-436)=92319-48×5=79287+323+377=987965+439=140459×3+310=487490-(57+313)=120616+725+66=1407329-92×2=145107+298=405556-(220+113)=223153-(54+75)=24340-(49+209)=8289+980-756=313204+131×4=728474-(127+47)=300701-301×2=99967+682-12=1637182×2+423=787475-15×9=34030×(397-392)=150152×7-912=152364+(403-53)=714516-388+12=14050×(205-199)=300650-(992-804)=462397-320=77282-(441-204)=45123×(118-114)=492101×(134-129)=505288+504-207=585607-158=449670+124=79486+278=364475+219×4=1351322-(78+62)=182411+19×4=487228+45×8=58894×6+365=92945+205=250431-64×4=175461-222×2=17254+90=344266-27×5=131494-(74+145)=275324×4-773=523711+(740-615)=836208-147+253=314440×2-386=494719×4=2876385-148+234=471368-132=236325-259+276=342759+258×3=1533663-33×4=531415-126-79=210450-(344+87)=1969+(410-315)=164563+(521-144)=940202-18×8=58377-372+308=313124×4=496209×2=418257+(202-188)=271972-450×2=72381-(130-54)=305216+224+178=618591-(17+172)=402589-49×9=148851×6=5106700-(475-335)=560160+515+225=900361+15×3=406910+801-248=1463178+175-84=269477+961=1438165+49=214825-643+659=841438-204-159=75410+287=697295+87=3823/8+4/8=7/8581×(316-309)=406720×(165-160)=100520-33=48780+922-458=544461+111=572996+975-689=128266+265+545=876610×8-431=4449941-70×9=311875-176-588=111314-(279-214)=249995+(410-150)=1255738×7-483=4683199+(413-401)=211153+291+507=951211-123+184=27281+(390-160)=311446+(387-210)=62314×7+702=800378+87×2=55277×3-131=10066×(296-287)=59453×(180-176)=21253+(385-82)=356914-288-599=27406-(721-575)=260123+299=422316-(353-121)=84827×(735-731)=3308167-65=102240-(471-416)=185262+45=307149+142+132=423608-(888-689)=409723-431+943=1235110+222+60=392442-24-388=30134×7+59=997587-(812-736)=511213×3-175=464748-(285-24)=487148+180-69=25950+213=263480+59+227=766163×5=815496+(184-24)=656472+(420-103)=789526-24=502789+(906-775)=920139×6-183=651426-178+170=418719-425-72=222311+377+199=887734-335=399265+162=427122×5-437=173276-72×3=60623-279+254=59840×9+431=79137-10=27416-112×3=80184+284=468384-202+168=350217+186-39=364292+46×6=568882+74+756=1712900×6-966=4434711-(130+224)=357522+875+483=1880832-503-204=125394+347+584=1325976×(830-824)=5856931-613+293=611377×(971-966)=1885843+158-346=655201-(251-95)=45138+(891-30)=999666+593+563=1822266+232=498275-(41-32)=266377-81-21=275175×3=525962+332+743=2037474-13×9=357122×4=488764+178-751=191127×5-295=340849+(908-241)=1516319-13×7=228970-550+102=522199-114-85=027+427-374=80458-(35+330)=93407-61=346231-136=9518×2+221=257437-181=256341+229-177=39344+53=97482+(995-330)=1147685-(847-713)=551110×(224-216)=88065+139×6=899388-311=7755×(205-198)=385367-(451-221)=137405+313+131=849330-188=142502-130-222=1503/10+6/10=9/10110×(209-203)=660437+231=668444-181-106=157132+145×3=567368-70×4=88882-396+10=496749×2=1498896×4=3584344-77×4=36460-169=29195-(383-340)=52659+(646-371)=934627-(301-16)=342694-95×3=409367-(28+67)=272253+825+768=1846189-28-41=120111+221-39=293183+354=537451+181+24=656785×(551-543)=6280604×(895-891)=2416189+63-68=184512-(169+280)=63359×(692-686)=2154640-236-210=194457-182-154=121933+(693-279)=1347965-390-518=57832-(877-193)=148393-230-159=4273-50-30=193287+(401-37)=651371-103=26893+204=29766+200=266325+104-421=8979-428+426=9775/10-4/10=1/10160+16-18=158211×(355-351)=844805-271-477=57732-(406-279)=605348-(205+58)=85828×7=5796803-298+760=1265237×(46-38)=1896462-71-126=2657/8-1/8=6/8273-(234-90)=129417+412×2=1241661-229=432605-(675-582)=51224×9-212=4168×6=1008193+(164-77)=280417-34×7=179109-(498-488)=99496-291+159=364652+(860-307)=1205533-(78+118)=337392+(399-245)=54668-66+306=308310×3+347=1277305+77-139=243404-307+218=315276+246×2=768373-56-241=76538+489+578=1605604-(920-384)=68550+(752-332)=970177+256=433317×3=951104×4+810=1226939-(392-371)=918429-252=177773-(766-431)=438135+274+504=913473-13-133=3276/10+3/10=9/10357+25-270=112533+251+76=860233×4-771=161291-(14+203)=7449+37+800=886225×4+20=92066+(282-240)=108408-156=252319-88-39=192640-85×7=45771×4-193=2891429-93×4=5718+475-60=433867-18=849208×(413-407)=124844×4=176691-80+494=1105270-(56+137)=77737+877=161436×4=144834-432-145=257187+266-142=311304+80×5=704270+180-108=342591×8=4728963×(659-652)=6741955-540-134=281564+760+326=1650186×2+113=485256-106×2=44447-(557-216)=10646×5+406=636119+83×2=285936-816+630=750167-78=891/8+5/8=6/8580-204=376356-(41+279)=36472+(993-345)=1120723-(183+168)=372306×3=918162×2=324727-(109+441)=177940-(884-798)=854999×7=69932/7-1/7=1/7500+55+148=7034/7+3/7=1492+882+524=1898547×8-923=3453244-22×7=90179×6-523=55113×6+460=538700×9=6300159+(462-84)=537782+500=1282309-(102+98)=109897-110+447=12344/8+3/8=7/8105×(391-382)=94578-38=404/6-1/6=3/6159-43=116126+626+49=801981×(442-437)=4905594-162×2=270493-395+22=12064×(113-108)=320999+108+579=16865/6-1/6=4/6915-502=413582×6=3492131+(691-460)=362411+264×2=939442×6-326=2326811-245×2=321326×3+572=1550758×8-419=564512×2+495=51955×5=275938+(969-663)=1244394+199=593812-615=197292+78=370494-(408-57)=143473+429-700=202574+(997-972)=599579×(762-757)=2895414+727-715=426255×2=510802×6-971=38413/5-1/5=2/5473-(180+222)=71313×6=1878407-(85+250)=72101×5-457=48198×4-662=130175-165+425=435929+(895-672)=1152370+(318-188)=500163-12×4=115319×(331-328)=957442×2-346=538100×(600-591)=900638+(280-198)=72029+361-315=75348+(237-223)=362254-32=222134+78=21260×8=480138×2-130=146768-(270+106)=392741+710-620=831490-(114+263)=113278+97×4=666210-158=52274×(201-198)=82228×7=196139+207×3=760325-24-291=1085×(57-52)=425751-(306+246)=199807-49×2=709482+841+630=1953221×8-700=1068949-298×3=55439×2=87876+362-130=308718×(254-246)=5744367-21×7=220133×2-21=24568+95=163416-49=36762×3-57=12960+(486-406)=140605-(209-181)=577441-204-197=402/4-1/4=1/4425+93×2=611270-103-85=82323-(477-474)=32016×(132-129)=48422-69=35398×3=294783-185×4=43234+162=396462-207×2=48113-103+455=465358+(484-218)=624178-100+158=236574-55+996=1515198-179+336=355401-(436-151)=116930-69+305=1166308-(164+57)=87215×3-369=276110+(479-106)=483331-(27+172)=132699×(770-767)=2097547-10-229=308999+637-435=1201226+42=268521-239×2=43863-455=408897-(224+127)=546245×6=1470497+(905-70)=1332649-(144+182)=323115+315=430143×3+210=639623+35×2=693554-(76+413)=65725-(341+108)=276200+145-82=263990×(655-651)=3960253×7-125=1646536-(62+400)=74559-382+160=337497-109-179=209348+105=453419-(47+296)=76495-(33+319)=143205+(99-11)=2936/10-2/10=4/1063×(281-272)=567448-35×9=133607-99-341=167287-246+139=180965+722=1687172×2-99=245337-220=117297-26+175=446397-262=135191×2=382983+231=1214204+21+97=322981-772+428=63794-26=68360-138-81=1411/4+2/4=3/436+261+306=603221+64+547=832805×7=5635299-(77+119)=103145+279=424303×2+463=1069809-213+795=1391777+702-709=770876-(450+34)=39238×(280-272)=304633×8-972=409283×8=664244×(703-700)=732953-53×4=741302+630+38=970430-403+129=156159+514+122=795178+12×3=214340+208+367=915227×4=908816-(770-440)=486270+993-142=1121989-848=141613×(161-153)=4904149×5=745410-(265-144)=289670×4=2680323+72×5=683141×3+208=631991+66-566=491314-(397-319)=236207+60-153=114876-(721-289)=444226+380+327=933356×9-670=2534947-(714-104)=337311-(155-116)=272937+(891-117)=1711118×3+778=1132446+(321-196)=57158+97-111=44328+102-87=34399+168-222=45729+879-942=666290+386=676326-(204+32)=90150×3-300=150886-21×5=781127+276=403292-30×7=82381×2+153=915176×3-360=168704×6-74=415035×8+156=436399-93+106=412211-(59+31)=121249+533+180=96258×(269-265)=232486-(334+23)=129209-102×2=557×2+528=642331+(106-29)=408161×(105-101)=644807-(518+17)=272158+91+342=591460-268-129=63942-645-76=221385-(30+21)=334969-526-251=192494+(304-60)=738195+247+130=572554-473+858=939537+287×2=1111482-106+37=413369-23-222=124460-323=137965-615=350136×7-788=164423-27×7=234757×7-727=4572154×4=616261+51-295=17484-146=338393×(924-918)=2358202-102=100304+613-484=433119+59=178938-271+370=1037472×(935-931)=1888910×7=6370261-(299-65)=27679+(309-308)=680727-317-33=377136+202-12=326239+150×2=539268+385+208=861480-(378-193)=295675-142-213=320133×5=66543×6=258135+973+103=1211430-(148+194)=88364+75=439537+(516-327)=726913×5=4565104+298-80=322404-348=56282-122-112=48473×2-731=215141+71=212329-268=61220+237+466=923462-256+178=384512×6-434=2638738+155=893449-111×2=227344+(653-58)=939328×3=984754-29