三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦

三年級數(shù)學(xué)(上)計算題專項練習(xí)附答案集錦533+93+36=809+364-115=459+13×7=286-66=63×9-551=469-45×7=527-227×2=327-(100+111)=165+295=464+326×3=91×6-340=391-37×8=115+335=613×(478-472)=363+36-67=229-161+159=336-188+205=928+316+843=575-(49+69)=80+987-753=954-(494+145)=758-149-192=831-119-271=22×(262-258)=100-(899-887)=319×3+359=93×8-726=3/10+7/10=459-222-19=164×(206-203)=942+813-30=361-186=585-(137+26)=21×8-147=817+410+128=216-40=709+64+196=511+(965-257)=340-(51-11)=302-274+119=376-25×7=260-(409-231)=185+635=180×4+589=382-118×2=309-(84+168)=292-91=252+66×3=188×(481-476)=403×2+752=210-(115+73)=116×6-14=615-(32+160)=103×3=769-341=54+(132-79)=962-914=784+688-633=416-115-160=882×2=367-(263-53)=250+429=170+325=820-568-208=787+909-982=814-449-30=919-(70+428)=406-(213+15)=615-79+491=76+(821-621)=552-332+382=472+221×4=304×(105-102)=434-160-30=230+246-214=102+20=154-(818-690)=928-48×4=434+466+950=368×(140-132)=722-(757-547)=352-342+295=114-(776-748)=102×5=153+302=276-(475-445)=466-453+282=976+372+958=195-(387-355)=46+13+937=332+353+236=863×4=981-(809+128)=693+(533-510)=750-319+627=259+205=264+(136-43)=658-198-378=469+(817-119)=187-104=1/8+5/8=514×4-825=343-(228+111)=270-(391-302)=500-(636-573)=260×(418-411)=26×(469-465)=468×6-767=411-(81-37)=342+109+260=396-95-217=440-(269+78)=81+293-361=447-52=130-49=289+28+209=183×(739-735)=784-24+413=523×3=465-293-62=809-107×5=335×2-27=303+37×4=22×2+471=15×(41-33)=315×3-164=189×5=357-(353-211)=356+(493-357)=309×3+600=488-454+132=1/8+4/8=202+82=494-226-120=110×2+197=187+59-33=581+854+885=308+(243-155)=162+468=372+(372-354)=869×6=893-(254-197)=3/6-1/6=5/10-4/10=477-(398-240)=202-36×5=126+971-826=544+728=154-(127-80)=318-132+208=695×2-48=950-409×2=23+315-37=601+(648-311)=413-381=186-30×6=432+(442-275)=645-325-56=94+365-426=137×(99-92)=968-116×6=69×(251-246)=680+280+328=103+26+46=40×7+210=876-844=167×(447-443)=675-(240-136)=275+97=85×9+35=859-24-331=863-(106+510)=86×6+279=929×(899-894)=75×5+76=33+61-77=700-351=373+(375-46)=2/7+3/7=265×2=485×2-273=297-(396-274)=446-117=549-(134+367)=315-(129+103)=1/3+2/3=746-(364+111)=233+711+28=197+80×3=633+(534-243)=61+(258-135)=154+32×7=200+503=904×(698-692)=888-135-549=137+(453-331)=103+202=344-212+221=328+(168-103)=500-393+14=118+151+481=403-36×9=305-(156-109)=28×(376-367)=419-(236+178)=57×8=922-585+438=29+301-309=221-127=539-(584-238)=295×2=644-413-39=193+309-181=605×(980-971)=557-230×2=414-379+161=276×2-266=901-(222+588)=528+(669-81)=497-36=844-427-175=42×8=242-84-33=439-69×3=767-(695+70)=252-220=896+(562-132)=525-283-152=101×7-636=404×(990-985)=660+407=320-(148-49)=844+(615-479)=252-10×3=444+33-444=199+49=291×(147-144)=768-440-164=380+76=385-125=173-(60+109)=413-161-242=457-74-204=140-103-15=819-654-57=250+118×8=464×2-643=754-(998-994)=638-(483+143)=456+56+230=620-20-168=358×2+178=587-24×4=490-58=917-427=195+155-333=751-537=3/9+6/9=443×(421-416)=407+(148-103)=415-296-46=315×8-51=82×8-508=832-(483+291)=220×4-178=272-19×8=67+305+400=179-49=672×(481-474)=764-72+494=71+98×3=885×(778-769)=940+(300-121)=148×3=249×2=284×3=79×7=651+163+69=397-(206-36)=142-(487-353)=499-121=203+55-136=581-204+207=29×3=307×(186-181)=422-(294+46)=486-(180+211)=743-(76+368)=496+(144-103)=379-180-24=63+15=982-743=305-(137+161)=220-(412-281)=284+462+148=447+64×6=352+146-35=415+21×8=2/4-1/4=785+167+38=826-(83+438)=96×4+366=795-207+277=471-230×2=909-301×2=184×2-299=489-118+54=440-(382-343)=308+(171-144)=518-(96+359)=374-(457-192)=427×7-612=256-(113+132)=933-427×2=499×(785-779)=520×9-334=66×8+133=694×5=659-(825-493)=162+(198-154)=478-(168+309)=877×(125-117)=6/8-1/8=350×9-791=494-253=821-(513-100)=263×3-784=272-150+127=198-(167-39)=236+832-806=711-523+874=527-(965-474)=317-157+64=318×3+823=341+491=348-(209+85)=1/4+2/4=467-112×4=597+106-317=162×(209-206)=78+235=481-259-33=257+332+153=155×(130-127)=162×(88-85)=303+911=375-138=4/9+3/9=289-132+192=462-132=358+138=301+(868-617)=552×(904-901)=100+207=998+792-725=815-653+319=934×9=166×(319-314)=467+(448-332)=169+149=420-30=278-35×3=367-60×2=102+792+309=234+180=490-(997-838)=454-322-127=948+(800-395)=461×(748-745)=435-205=197-106+137=989-(228+392)=129-39+54=261-105+335=80+141=377+784+159=761+214=72+320-46=314+415=331-(103-10)=436-(391-205)=442-81-103=30×7=802-(651+149)=397+45×6=249-30-59=319-283+66=445-(317-130)=882×(894-890)=592-43=379-245-102=887-557=923+257+67=936+559=166×6=129×4+291=477-(58+112)=115×(32-24)=784+466+473=198×(181-176)=135×7-221=379-(450-268)=240×4-534=845-201=137+857-992=122+70=786-140×2=473-345-97=763×3-315=159+(477-386)=222+133-280=413-173=92+339+338=90×6=197-42=105+272=141-(408-298)=962×(16-12)=405-39×4=441-(193+120)=176+415-225=5/8-1/8=139×5+296=229-22×2=686+444=193+207+415=295+(102-13)=326+661-652=58+(411-198)=151×(636-631)=51×(129-122)=495-(366+44)=211-(16+132)=251-53+29=487×3=278+69=578-357+635=2/6-1/6=38-11×3=557×4-599=380-29×7=785-107-41=327-199+281=254+911+625=610+396-193=197+67×7=393+193+110=455-266+635=111+315=609×2=115×7-673=217+88+546=458-(112+123)=179+297=259-107×2=273+608-799=646-256-145=69+(229-182)=191-15=353×6-102=359×9-819=996-27×3=615-(946-916)=930-105+345=966-217×3=40×3=221+176×4=369+(482-172)=180+139=289-88×3=536-95-250=806-734+878=470-(95+105)=727-(165+273)=397-206+171=729+(399-222)=869-435=114+167+384=448-377-66=288+381+602=874-141×5=685-50×4=131+587=392×8-457=370-46×5=260×3-365=127+(438-90)=253-(517-296)=237×4+713=283-(312-190)=311-(133+102)=270×3=526+303+758=585-39×5=236+10-37=20+90×3=825+536+722=372-12-68=113+67+239=294-(215+13)=448+574=343-75-241=46+53=335×8-390=785+(826-668)=493-330+45=134×3=872-199×4=811×4-981=294-62+53=315-(699-456)=456-(273-168)=71×6+88=414×7-523=726-135+565=290×8-404=34×2=198+90×2=489-(69+280)=502+437+520=65+331×2=315×(821-817)=50×7=346×2=485×2-659=499×2+915=496-306+13=466+37×5=59+896-69=646-272-58=974-(918-775)=968-(767+172)=352+626=104×(22-15)=125×(449-441)=186+58-20=625-157-53=257+(342-141)=753-190=914+(743-552)=4/6-2/6=238-79-62=172+429+74=866-368-390=680+(661-327)=319+61-71=20+114=366-226+198=150×(448-442)=871-56×5=52×(341-334)=1/7+3/7=384-290+62=230-196+377=676×5-107=342+108+214=917×(964-957)=69×8+227=773-504=53+708+38=911-534+150=542×5=974+(955-536)=273-113=876-153=486-282+289=695-53=214-(447-317)=120+147=423+65-383=234+87×8=63×4=934-491+153=287-152=393+16×3=970+250+271=965+(802-182)=72+297-187=28×4=223×4=167×5-472=221×2-77=101×9=365+73-416=135-(427-345)=696-290+411=440-(395-211)=376+145+285=106+154=78×(131-124)=275-(394-120)=985-82×9=118+926-625=985-237×3=411-(35+83)=171×4+247=62×2-111=873×9-118=882×6=248×(259-255)=491×2+382=231+224-354=376-262-87=223-162-31=454×2+697=115-31=961-932+966=894-39×9=256+341+113=980+(725-137)=67×7=439+(345-257)=164×3+128=349-41×7=333-283=914+359+293=666-155=41+361×2=924+306=10×9+419=140×5=480+379=365+(482-383)=42×2=325×4-212=247+75=125+268=413-78-148=830+653+954=625-598=199+491+237=255+958+595=778-416+836=774×2=500-418=839+17×6=181+42×4=210×3-141=111×(370-362)=163×5=406×2-466=435+194=140×3=113+535=409-(146+180)=597×4=81-(487-479)=460×9-65=628+977-50=884-(536+83)=469+901-21=913+267+957=99×(206-203)=292-(312-212)=494-76×4=835-(391+305)=564×7=180×4=122+283-41=127×6+763=393-(371-77)=628×3-257=203×3=300-20-198=172×5=55+(299-92)=771×8=293×9-313=65-(492-489)=338-32×7=90+718+35=464-32×2=977-129×4=452+(476-199)=17×4-12=312-39×7=104×7+239=683+140×5=111×9=823+312+491=581+170+891=757-(715-237)=319-(145+24)=406-260+349=885-210-31=327×(498-489)=486-136×2=398+(254-200)=575×9-565=255+49-74=55×(229-225)=4/8+3/8=766+312-50=191+163-194=244×2=921-(42+213)=112+151=80×(462-454)=158×3-469=15×3+78=193+958+40=537-(833-463)=953-(373+354)=452+618=449-437=992-(117+616)=46-41+848=895-307+548=443-11-344=625-188=753+(551-524)=151×(234-231)=3/5-2/5=532+982+639=272+(427-322)=363×(958-955)=297+375=323+(454-163)=320×9-440=317×4=868-17-457=758+(889-138)=404-392+427=993-(111+658)=285-(31+69)=284-83-141=178-14+664=620×5=90×5-311=448×(476-467)=482-290=384-(13+291)=302+20-35=71+343=413-(431-248)=176-69=225+424=693-(190-146)=132+108×2=880-796=161+467+304=167×5-122=798×2=374+919-137=4/6-1/6=318-33×3=56+85=244×(65-61)=3/8-2/8=816-21-419=4/8-2/8=829-293×2=481-135×3=2/8+4/8=637×(382-379)=127+(834-397)=98×9-709=106×9-750=339-17×9=30×8+239=344×(546-537)=413-203-184=31+(497-386)=373+261×2=130×(249-242)=2/7-1/7=44+139×5=319×7-754=440+204×3=204+207-179=282+323+129=124×(340-337)=832-736+22=315+412-74=287+83-238=144×(786-780)=849+484+757=536-(247-39)=374+373+65=688-627=374-(45+117)=114-64+212=845+405-388=251-160+218=638-58×8=248+67-178=125-61×2=336+(459-418)=172+(200-137)=700-295-357=966+945-919=453-303+651=403-195-56=142×6=485-(218+216)=429×8=468+885-825=98×6+45=999-481=71×9-381=597+153=407-327=529×3=854×8-291=966-696+79=928×8=742×3=745+(838-506)=114+73=135-(254-236)=77-12×3=629-348-68=712-433-215=615-171×2=449+76×3=937×5=132+282=690×(178-172)=405-(304+40)=4/9+5/9=412+(903-366)=159×6-892=622+(715-665)=373-155×2=998+(964-383)=859-469=135×9=743-(30+185)=109+282=855-288-541=233+263-264=320-213=353-316=464-103×2=474-463=455-85-94=432-286-137=851-(684-432)=802+969+140=530+130×4=764-(629-541)=963-277+528=288+19+627=701+500-279=501+535-208=922-(76+419)=286+60-322=218×4-453=463-13×6=78+182+32=343+(867-451)=219+131-154=395-168=336-(247-36)=433-40×4=72+349+457=714-195-309=271+(290-79)=894+466-720=310+678=297×3=895-225+522=920+333-734=440-139=參考答案533+93+36=662809+364-115=1058459+13×7=550286-66=22063×9-551=16469-45×7=154527-227×2=73327-(100+111)=116165+295=460464+326×3=144291×6-340=206391-37×8=95115+335=450613×(478-472)=3678363+36-67=332229-161+159=227336-188+205=353928+316+843=2087575-(49+69)=45780+987-753=314954-(494+145)=315758-149-192=417831-119-271=44122×(262-258)=88100-(899-887)=88319×3+359=131693×8-726=183/10+7/10=1459-222-19=218164×(206-203)=492942+813-30=1725361-186=175585-(137+26)=42221×8-147=21817+410+128=1355216-40=176709+64+196=969511+(965-257)=1219340-(51-11)=300302-274+119=147376-25×7=201260-(409-231)=82185+635=820180×4+589=1309382-118×2=146309-(84+168)=57292-91=201252+66×3=450188×(481-476)=940403×2+752=1558210-(115+73)=22116×6-14=682615-(32+160)=423103×3=309769-341=42854+(132-79)=107962-914=48784+688-633=839416-115-160=141882×2=1764367-(263-53)=157250+429=679170+325=495820-568-208=44787+909-982=714814-449-30=335919-(70+428)=421406-(213+15)=178615-79+491=102776+(821-621)=276552-332+382=602472+221×4=1356304×(105-102)=912434-160-30=244230+246-214=262102+20=122154-(818-690)=26928-48×4=736434+466+950=1850368×(140-132)=2944722-(757-547)=512352-342+295=305114-(776-748)=86102×5=510153+302=455276-(475-445)=246466-453+282=295976+372+958=2306195-(387-355)=16346+13+937=996332+353+236=921863×4=3452981-(809+128)=44693+(533-510)=716750-319+627=1058259+205=464264+(136-43)=357658-198-378=82469+(817-119)=1167187-104=831/8+5/8=6/8514×4-825=1231343-(228+111)=4270-(391-302)=181500-(636-573)=437260×(418-411)=182026×(469-465)=104468×6-767=2041411-(81-37)=367342+109+260=711396-95-217=84440-(269+78)=9381+293-361=13447-52=395130-49=81289+28+209=526183×(739-735)=732784-24+413=1173523×3=1569465-293-62=110809-107×5=274335×2-27=643303+37×4=45122×2+471=51515×(41-33)=120315×3-164=781189×5=945357-(353-211)=215356+(493-357)=492309×3+600=1527488-454+132=1661/8+4/8=5/8202+82=284494-226-120=148110×2+197=417187+59-33=213581+854+885=2320308+(243-155)=396162+468=630372+(372-354)=390869×6=5214893-(254-197)=8363/6-1/6=2/65/10-4/10=1/10477-(398-240)=319202-36×5=22126+971-826=271544+728=1272154-(127-80)=107318-132+208=394695×2-48=1342950-409×2=13223+315-37=301601+(648-311)=938413-381=32186-30×6=6432+(442-275)=599645-325-56=26494+365-426=33137×(99-92)=959968-116×6=27269×(251-246)=345680+280+328=1288103+26+46=17540×7+210=490876-844=32167×(447-443)=668675-(240-136)=571275+97=37285×9+35=800859-24-331=504863-(106+510)=24786×6+279=795929×(899-894)=464575×5+76=45133+61-77=17700-351=349373+(375-46)=7022/7+3/7=5/7265×2=530485×2-273=697297-(396-274)=175446-117=329549-(134+367)=48315-(129+103)=831/3+2/3=1746-(364+111)=271233+711+28=972197+80×3=437633+(534-243)=92461+(258-135)=184154+32×7=378200+503=703904×(698-692)=5424888-135-549=204137+(453-331)=259103+202=305344-212+221=353328+(168-103)=393500-393+14=121118+151+481=750403-36×9=79305-(156-109)=25828×(376-367)=252419-(236+178)=557×8=456922-585+438=77529+301-309=21221-127=94539-(584-238)=193295×2=590644-413-39=192193+309-181=321605×(980-971)=5445557-230×2=97414-379+161=196276×2-266=286901-(222+588)=91528+(669-81)=1116497-36=461844-427-175=24242×8=336242-84-33=125439-69×3=232767-(695+70)=2252-220=32896+(562-132)=1326525-283-152=90101×7-636=71404×(990-985)=2020660+407=1067320-(148-49)=221844+(615-479)=980252-10×3=222444+33-444=33199+49=248291×(147-144)=873768-440-164=164380+76=456385-125=260173-(60+109)=4413-161-242=10457-74-204=179140-103-15=22819-654-57=108250+118×8=1194464×2-643=285754-(998-994)=750638-(483+143)=12456+56+230=742620-20-168=432358×2+178=894587-24×4=491490-58=432917-427=490195+155-333=17751-537=2143/9+6/9=1443×(421-416)=2215407+(148-103)=452415-296-46=73315×8-51=246982×8-508=148832-(483+291)=58220×4-178=702272-19×8=12067+305+400=772179-49=130672×(481-474)=4704764-72+494=118671+98×3=365885×(778-769)=7965940+(300-121)=1119148×3=444249×2=498284×3=85279×7=553651+163+69=883397-(206-36)=227142-(487-353)=8499-121=378203+55-136=122581-204+207=58429×3=87307×(186-181)=1535422-(294+46)=82486-(180+211)=95743-(76+368)=299496+(144-103)=537379-180-24=17563+15=78982-743=239305-(137+161)=7220-(412-281)=89284+462+148=894447+64×6=831352+146-35=463415+21×8=5832/4-1/4=1/4785+167+38=990826-(83+438)=30596×4+366=750795-207+277=865471-230×2=11909-301×2=307184×2-299=69489-118+54=425440-(382-343)=401308+(171-144)=335518-(96+359)=63374-(457-192)=109427×7-612=2377256-(113+132)=11933-427×2=79499×(785-779)=2994520×9-334=434666×8+133=661694×5=3470659-(825-493)=327162+(198-154)=206478-(168+309)=1877×(125-117)=70166/8-1/8=5/8350×9-791=2359494-253=241821-(513-100)=408263×3-784=5272-150+127=249198-(167-39)=70236+832-806=262711-523+874=1062527-(965-474)=36317-157+64=224318×3+823=1777341+491=832348-(209+85)=541/4+2/4=3/4467-112×4=19597+106-317=386162×(209-206)=48678+235=313481-259-33=189257+332+153=742155×(130-127)=465162×(88-85)=486303+911=1214375-138=2374/9+3/9=7/9289-132+192=349462-132=330358+138=496301+(868-617)=552552×(904-901)=1656100+207=307998+792-725=1065815-653+319=481934×9=8406166×(319-314)=830467+(448-332)=583169+149=318420-30=390278-35×3=173367-60×2=247102+792+309=1203234+180=414490-(997-838)=331454-322-127=5948+(800-395)=1353461×(748-745)=1383435-205=230197-106+137=228989-(228+392)=369129-39+54=144261-105+335=49180+141=221377+784+159=1320761+214=97572+320-46=346314+415=729331-(103-10)=238436-(391-205)=250442-81-103=25830×7=210802-(651+149)=2397+45×6=667249-30-59=160319-283+66=102445-(317-130)=258882×(894-890)=3528592-43=549379-245-102=32887-557=330923+257+67=1247936+559=1495166×6=996129×4+291=807477-(58+112)=307115×(32-24)=920784+466+473=1723198×(181-176)=990135×7-221=724379-(450-268)=197240×4-534=426845-201=644137+857-992=2122+70=192786-140×2=506473-345-97=31763×3-315=1974159+(477-386)=250222+133-280=75413-173=24092+339+338=76990×6=540197-42=155105+272=377141-(408-298)=31962×(16-12)=3848405-39×4=249441-(193+120)=128176+415-225=3665/8-1/8=4/8139×5+296=991229-22×2=185686+444=1130193+207+415=815295+(102-13)=384326+661-652=33558+(411-198)=271151×(636-631)=75551×(129-122)=357495-(366+44)=85211-(16+132)=63251-53+29=227487×3=1461278+69=347578-357+635=8562/6-1/6=1/638-11×3=5557×4-599=1629380-29×7=177785-107-41=637327-199+281=409254+911+625=1790610+396-193=813197+67×7=666393+193+110=696455-266+635=824111+315=426609×2=1218115×7-673=132217+88+546=851458-(112+123)=223179+297=476259-107×2=45273+608-799=82646-256-145=24569+(229-182)=116191-15=176353×6-102=2016359×9-819=2412996-27×3=915615-(946-916)=585930-105+345=1170966-217×3=31540×3=120221+176×4=925369+(482-172)=679180+139=319289-88×3=25536-95-250=191806-734+878=950470-(95+105)=270727-(165+273)=289397-206+171=362729+(399-222)=906869-435=434114+167+384=665448-377-66=5288+381+602=1271874-141×5=169685-50×4=485131+587=718392×8-457=2679370-46×5=140260×3-365=415127+(438-90)=475253-(517-296)=32237×4+713=1661283-(312-190)=161311-(133+102)=76270×3=810526+303+758=1587585-39×5=390236+10-37=20920+90×3=290825+536+722=2083372-12-68=292113+67+239=419294-(215+13)=66448+574=1022343-75-241=2746+53=99335×8-390=2290785+(826-668)=943493-330+45=208134×3=402872-199×4=76811×4-981=2263294-62+53=285315-(699-456)=72456-(273-168)=35171×6+88=514414×7-523=2375726-135+565=1156290×8-404=191634×2=68198+90×2=378489-(69+280)=140502+437+520=145965+331×2=727315×(821-817)=126050×7=350346×2=692485×2-659=311499×2+915=1913496-306+13=203466+37×5=65159+896-69=886646-272-58=316974-(918-775)=831968-(767+172)=29352+626=978104×(22-15)=728125×(449-441)=1000186+58-20=224625-157-53=415257+(342-141)=458753-190=563914+(743-552)=11054/6-2/6=2/6238-79-62=97172+429+74=675866-368-390=108680+(661-327)=1014319+61-71=30920+114=134366-226+198=338150×(448-442)=900871-56×5=59152×(341-334)=3641/7+3/7=4/7384-290+62=156230-196+377=411676×5-107=3273342+108+214=664917×(964-957)=641969×8+227=779773-504=26953+708+38=799911-534+150=527542×5=2710974+(955-536)=1393273-113=160876-153=723486-282+289=493695-53=642214-(447-317)=84120+147=267423+65-383=105234+87×8=93063×4=252934-491+153=596287-152=135393+16×3=441970+250+271=1491965+(802-182)=158572+297-187=18228×4=112223×4=892167×5-472=363221×2-77=365101×9=909365+73-416=22135-(427-345)=53696-290+411=817440-(395-211)=256376+145+285=806106+154=26078×(131-124)=546275-(394-120)=1985-82×9=247118+926-625=419985-237×3=274411-(35+83)=293171×4+247=93162×2-111=13873×9-118=7739882×6=5292248×(259-255)=992491×2+382=1364231+224-354=101376-262-87=27223-162-31=30454×2+697=1605115-31=84961-932+966=995894-39×9=543256+341+113=710980+(725-137)=156867×7=469439+(345-257)=527164×3+128=620349-41×7=62333-283=50914+359+293=1566666-155=51141+361×2=763924+306=123010×9+419=509140×5=700480+379=859365+(482-383)=46442×2=84325×4-212=1088247+75=322125+268=393413-78-148=187830+653+954=2437625-598=27199+491+237=927255+958+595=1808778-416+836=1198774×2=1548500-418=82839+17×6=941181+42×4=349210×3-141=489111×(370-362)=888163×5=815406×2-466=346435+194=629140×3=420113+535=648409-(146+180)=83597×4=238881-(487-479)=73460×9-65=4075628+977-50=1555884-(536+83)=265469+901-21=1349913+267+957=213799×(206-203)=297292-(312-212)=192494-76×4=190835-(391+305)=139564×7=3948180×4=720122+283-41=364127×6+763=1525393-(371-77)=99628×3-257=1627203×3=609300-20-198=82172×5=86055+(299-92)=262771×8=6168293×9-313=232465-(492-489)=62338-32×7=11490+718+35=843464-32×2=400977-129×4=461452+(476-199)=72917×4-12=56312-39×7=39104×7+239=967683+140×5=1383111×9=999823+312+491=1626581+170+891=1642757-(715-237)=279319-(145+24)=150406-260+349=495885-210-31=644327×(498-489)=2943486-136×2=214398+(254-200)=452575×9-565=4610255+49-74=23055×(229-225)=2204/8+3/8=7/8766+312-50=1028191+163-194=160244×2=488921-(42+213)=666112+151=26380×(462-454)=640158×3-469=515×3+78=123193+958+40=1191537-(833-463)=167953-(373+354)=226452+618=1070449-437=12992-(117+616)=25946-41+848=853895-307+548=1136443-11-344=88625-188=437