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668+(536-147)=642+602-927=911-501+72=155-72+126=6/7-1/7=7/10+3/10=651-218=560+974+520=494-(138+322)=129-63=987-(839-177)=80×4+56=81+202×2=481×5-163=167×4+363=348-325+201=147+14+955=423-(193-114)=53+329-165=25×(244-239)=293-14×5=162×2=611-321+77=189+229-182=37+18×4=379-170+155=621×3=534×6=347-166=308-(160-50)=366-(131+222)=241-(318-107)=718-(193+421)=637-(478-446)=454-391-58=485-273+211=2/4-1/4=744-(260+269)=25×(786-779)=487-188-31=174+19×8=51+340-390=989×3=5/8-2/8=987-742-39=753-28×8=161+107-234=237×3=481-305+187=601+143+442=128+414+226=176+841=751-284-150=517+57+280=441+150-193=12×(487-479)=881+(343-294)=628×3-205=901×2=174-161=95×(337-332)=390+87-137=245+425=166×4=312+89×3=58+130=134×7-678=181+467+709=527+173+174=520-311+465=969-498=392-106+200=133-107+530=563-160-113=663+612-997=719-(888-324)=118+338-314=11+330×2=276-(200-173)=241-206+178=54×8-245=730-389+644=297-(341-157)=217+205=988-489-471=433-(67+358)=359×7=414+826+307=16+61×6=168-27-132=888×7-243=220+241=498-50=372-102×3=355×(768-764)=44×3+77=71+(461-196)=262-79=100×2=278×6-755=457-183×2=267-(681-577)=879-(356+438)=478-15×9=977-(326-16)=369+207+75=770+419=391+(185-168)=348-116+163=485-257=982-504=470-(29+193)=987-96×8=277+104=995-536-342=66+130-123=339+(264-32)=316+80×2=273+520+99=186×9=193×3+467=173+(495-326)=231+46=337×3-774=491-127+300=59×6+229=107+308=12×(436-428)=887-379=74×8=108-61+130=371+68×7=313×3-49=151×5+876=271+335+72=323+68+537=352-(510-391)=290+606-446=809-497+870=434+(899-795)=630+141+181=423+79+13=388-19-178=243×3=321-137+257=103×4+228=97×2+477=121×(283-280)=538-27×9=87×4-315=776-535=643+(745-215)=226×2+406=120+335+438=465-181-175=696×6-841=355-72-186=83-16×3=204×7-611=853+108×8=358-170×2=914-296×2=236×(848-845)=99×6-186=165×(49-46)=829×(539-532)=513-86×2=119-(61+48)=289-201+298=401+494+277=13×6+172=18+319-332=143×5=351-(437-273)=353+(141-24)=557-71=590×8-425=825×8=13+445×2=902+244=205+(870-224)=170-122+99=119×8=879-218=372+365=232×3-438=153×5-329=473×8=731-249×2=65+(955-177)=256+442+413=288-(92+184)=499-(330+26)=389-(426-408)=584-467=802-395-68=473-309+58=392-(349+29)=480-199-43=96+75+813=597+260×3=189×4=870-(352+355)=969-145+15=283+(182-71)=646+169+17=680+238×4=26+327-127=383-(17+259)=189×(376-373)=373+(815-680)=922-(242+478)=296-52-213=742-122=139+294-351=700+134-514=485+298+75=112×4=816-(30+398)=564+101=147×2=781-483-147=938-170=439×8-578=28×(56-47)=385-74=866+101+631=555-(298-193)=294+127-220=538+17+321=43×8-327=462-20×3=81×(502-496)=24×8+488=22×2+610=262-221+182=123×5-432=131×2+307=76+(240-230)=436-221=270×3=62×8=501+634=838-450+910=651+111=412+137=626+507-996=983-(819+115)=292+274×2=59×3=586-(240+71)=46×5+236=520×8=472-(656-334)=578-452=894-(391+388)=795-362-47=712+250+945=697-58+968=5/8-3/8=398-135+290=220×9=826-309×2=499-129=106×9=431-335+806=245-59=140×7-421=71-(19+36)=489+(488-37)=314+22+71=629+803+784=120+685=782+658=346-194+49=133+95×9=187+95-196=202-25=730+796-940=548+(568-530)=239+130+32=223-97+367=389-177×2=878-537=355-42×6=271-(402-158)=396-64×6=319+110=466-358=102×5+420=404+(479-15)=887-360+54=956-764-51=256-(66-32)=165×(827-822)=266-152=666+822+798=621×(173-164)=564+622-793=188+307-280=31+(433-199)=398-(21+86)=1/8+5/8=523+325-65=229-(171-33)=957-483-360=918-238-30=43+(394-263)=160×3-409=85×(358-349)=441-26×8=30×9=835-105×7=362-73-12=815-54-740=511×(839-831)=405-(16+346)=171×2+534=26×5=562-93=350-(363-177)=497×2-430=922-230×2=642×(879-872)=174×(348-343)=391-129-258=3/7-2/7=411-36=902-683+186=310-27×2=272-101=537-(251-207)=3/6+2/6=412+70=475+(433-236)=889×(268-264)=289-64-64=788+81×8=469-68×3=4/8-3/8=403-167=141×(386-383)=4/8-1/8=959-(437-223)=308-138=387×8-428=179-65×2=338-132=311+(304-102)=304+(699-244)=197+34+794=367×2=442-(246-201)=240+117=22+(867-629)=134+74=477-(390-377)=17+47+478=387+294+59=651×(843-836)=1/5+3/5=3/8+4/8=305+213+16=318×3-229=42+(992-633)=665+489-613=247+133+779=396+(958-450)=887-443+771=773×5=161×(125-117)=370-31×3=431-85-129=649+(353-143)=442+(408-235)=108+298-224=170+(820-471)=500-(466-74)=71×8+36=191-(77+55)=266-131=279-142-32=46+241=978-(99+199)=189+103-142=358-51×7=518-168×2=582-39×7=459+609-299=291-(916-830)=79×(127-120)=278-(351-184)=171×2-45=690×8-238=446-298+265=428×(613-605)=106-100+472=841×5-789=654+201+102=974-873=268-30=851-(88+381)=774+842-907=164×(409-405)=920+(591-583)=73×2+499=329+91×2=485-(100+229)=257-(474-358)=468×2-451=8/10-1/10=138-55+362=465-52+161=915×5=124+284=32×9=425+(98-41)=322-223+195=771-(147-107)=912-10×8=225+41×9=808+917-739=305-(261-238)=462×8=64-(408-370)=936-850=262+44×9=348-244=520×3=427-42×8=991-258-559=146×(403-397)=392-199+18=497-187=107×8=919-732-96=401-46×2=236+(336-254)=40+841+70=315+141+409=375-321+267=492+448=110+220-61=389-89=421-240-139=956-(965-760)=48+260+540=172×5-333=448×2-568=486×4=45×5-22=107×4-332=980-13×6=109+39=808×(365-359)=543+152+67=532-63-266=257-24×8=500-158-247=241-(134-122)=413-325+356=162×3=82×(99-95)=324×(490-482)=297-(483-476)=852-(371+76)=510+443-803=319+257=855-615-129=694+207=30×(297-288)=156×(472-467)=1/3+2/3=306-(602-583)=268×2+237=33×(229-222)=454-54-96=538+896=592-(600-568)=201+130-288=660-(225+29)=789-(281+65)=29+(200-153)=280-11-73=278+26+463=118×7=490-(110+296)=330×(642-637)=117×7-619=404-27=292-(408-184)=494-19×8=395+45×9=391×(963-958)=318×2+334=760×8=401-305=712-58×2=619-(242+53)=189+65=761+(730-147)=439+12-140=952+145+890=111×8-143=619+610-647=4/7+2/7=943-225=372-51×6=985-173×5=73×6+556=135+238=431-(80+23)=478-(153+221)=491+(494-406)=315×6=827-525-275=974-222=87×(382-379)=763-654=734-(157+543)=90+(461-173)=432-174-138=90×7-50=687+(918-466)=481×4=220×3=186×(125-121)=212+219=813×2-723=65+720+834=364-105×2=934-81×8=387-(219+90)=87×(257-248)=285-(416-376)=788×6-962=887+204-124=388+951-755=194-(138+41)=139+185=449-158×2=991-(393+510)=432+74×4=102+270=177-(78+62)=369×(34-27)=535-(940-532)=2/8-1/8=567-12×3=98+(346-141)=685-83-205=110×(263-259)=234+139=685-72+219=688-(214-151)=443+(825-117)=869-(292+467)=344+342=499-(110+337)=300+523+900=261×3=79+387=98+54+592=428-233=804×(86-82)=949-325-400=331-198-60=763+(540-168)=949×9=939+(977-246)=746+243=488×2+814=914-147=481-104-79=221+373=64×7-427=779+335-886=834+152-84=973-322×2=35+140=124-(258-163)=189×2+104=4/8+3/8=933+728-485=432+(445-131)=687×9-23=402+78=72+(221-171)=3/10+2/10=261-15×8=343-12×3=87×4+872=776+55+28=58×9+88=893×(404-395)=424×3-515=362-(90+131)=946-347=168+531=22×7=494-265=288-85=175+(218-199)=680+571-548=494-(462-44)=337-212+277=318-(409-224)=165-16×6=192+58×7=204+119=427+(448-90)=769+269=12×(330-324)=415-(62+297)=172-52+153=254-(260-40)=39×7=885+836+235=99+305=181+193-264=859-18-251=447+(986-175)=856×(613-604)=406+155+108=3/7+2/7=141+144-274=83+239+90=182+181-131=261×6-589=400-249-105=406+296×3=181+759+936=855×6-564=98+395=385-83×3=196+(986-33)=278-(191+71)=154+245-388=186×2+76=53×(662-659)=43×(15-12)=593×4-878=921-(305-252)=127+(366-244)=149×(338-332)=204×2-58=87+248=484-35=395+174=337+161-455=600-492+45=255-(431-225)=347×3-652=459×5-406=241-90-46=62×7=729×(48-43)=278×2-506=302-207=111+340=65×9+420=449-(201+56)=218-57=747+17-360=190×(187-184)=690×8-287=989-311-141=496-23=912-151+603=885-688+64=78+260-226=143-(253-223)=738×(498-492)=361×(173-165)=303+300×3=433-51-92=449+729-801=322-39×4=201×(113-110)=245-12×6=92+280+171=947-(348+556)=472+(843-459)=265+126=958-68-82=528-156×2=310-(142-98)=854×5=53×8=89-63=345-46-178=32+245+245=187×4-520=432+48-193=78×(253-248)=690-532+471=370-134×2=573×5=965×(954-950)=405+(261-123)=264+139-256=143+(298-238)=958-124×7=457-(424-404)=370+66-362=25×2=39×9-26=558-177×2=371-35×2=106×8-689=486-110×3=309+130=199-(75+86)=677+288+253=711-(184+271)=305-(206+23)=235×8-614=454-45-284=219+298=358+91=315+(291-245)=276-156=900-595+333=494-65×4=882-631=612+(736-457)=556-164-343=2/5-1/5=51+170+479=360-(317-278)=454-(50+105)=491-19×5=823-169×4=248+43×7=874-750-95=989-(376+551)=207×7=462+(437-150)=230+(316-197)=666×6=93×8=448-136=463+656+713=894-63=630×(988-980)=244+66×3=167-59×2=205-(561-491)=257+(703-537)=903-96-29=449-(348-74)=356+149×4=441-267+305=83×3=988-290+620=210×2=185+(459-72)=356-61-285=347-45×4=4/7-2/7=132×(225-218)=192+18-158=486-240-195=238+966=879+696-799=870-158-519=311-176-47=199×5-99=22×2=645×(430-422)=566-(259+128)=304-270+266=98×2+927=3/5-1/5=318-(128+69)=48+622+798=622×6=445×(986-981)=715-(692-574)=171+733=317-(135+157)=21+70+161=1/6+3/6=468-(202+23)=163-15=490-(18+347)=132+588+132=549-(157+275)=608+101+774=517+386-429=493-188+133=365+24-296=325-(283+25)=790+121×2=364-(358-136)=551+112=628+432-176=960-279-565=109+382=163×2-127=296×3-626=564-259+699=1/5+2/5=528+97×2=695×5-292=214×2-224=708-(148+398)=32+629+322=179-79+284=689-(135+46)=852-(796-286)=954+(707-157)=710+498-916=881-842+126=494-483+34=726+146+35=268+209=612-(601-27)=142×4=75×2+319=236+219=936+(979-168)=292-(479-394)=851-(988-528)=164-64+99=746-481=908-(291-241)=508+831+921=158-(515-437)=790-(436+239)=898×6-309=492+(471-138)=447-(222+135)=676-(550-545)=321+(329-281)=41×8=59×2+167=341+101=609-133×4=562+768-722=617-155+146=354-20×7=301+133-184=880×7=236-95=142×(488-484)=622-68+58=376×(912-904)=491×8-734=225-89-71=295×9-660=57+42×2=92+321=82+385-307=439-62-31=221-113-29=135+81×3=425-280-118=394-187+145=135×6-690=495-445+334=119+426+341=615-46-436=733+730-265=参考答案668+(536-147)=1057642+602-927=317911-501+72=482155-72+126=2096/7-1/7=5/77/10+3/10=1651-218=433560+974+520=2054494-(138+322)=34129-63=66987-(839-177)=32580×4+56=37681+202×2=485481×5-163=2242167×4+363=1031348-325+201=224147+14+955=1116423-(193-114)=34453+329-165=21725×(244-239)=125293-14×5=223162×2=324611-321+77=367189+229-182=23637+18×4=109379-170+155=364621×3=1863534×6=3204347-166=181308-(160-50)=198366-(131+222)=13241-(318-107)=30718-(193+421)=104637-(478-446)=605454-391-58=5485-273+211=4232/4-1/4=1/4744-(260+269)=21525×(786-779)=175487-188-31=268174+19×8=32651+340-390=1989×3=29675/8-2/8=3/8987-742-39=206753-28×8=529161+107-234=34237×3=711481-305+187=363601+143+442=1186128+414+226=768176+841=1017751-284-150=317517+57+280=854441+150-193=39812×(487-479)=96881+(343-294)=930628×3-205=1679901×2=1802174-161=1395×(337-332)=475390+87-137=340245+425=670166×4=664312+89×3=57958+130=188134×7-678=260181+467+709=1357527+173+174=874520-311+465=674969-498=471392-106+200=486133-107+530=556563-160-113=290663+612-997=278719-(888-324)=155118+338-314=14211+330×2=671276-(200-173)=249241-206+178=21354×8-245=187730-389+644=985297-(341-157)=113217+205=422988-489-471=28433-(67+358)=8359×7=2513414+826+307=154716+61×6=382168-27-132=9888×7-243=5973220+241=461498-50=448372-102×3=66355×(768-764)=142044×3+77=20971+(461-196)=336262-79=183100×2=200278×6-755=913457-183×2=91267-(681-577)=163879-(356+438)=85478-15×9=343977-(326-16)=667369+207+75=651770+419=1189391+(185-168)=408348-116+163=395485-257=228982-504=478470-(29+193)=248987-96×8=219277+104=381995-536-342=11766+130-123=73339+(264-32)=571316+80×2=476273+520+99=892186×9=1674193×3+467=1046173+(495-326)=342231+46=277337×3-774=237491-127+300=66459×6+229=583107+308=41512×(436-428)=96887-379=50874×8=592108-61+130=177371+68×7=847313×3-49=890151×5+876=1631271+335+72=678323+68+537=928352-(510-391)=233290+606-446=450809-497+870=1182434+(899-795)=538630+141+181=952423+79+13=515388-19-178=191243×3=729321-137+257=441103×4+228=64097×2+477=671121×(283-280)=363538-27×9=29587×4-315=33776-535=241643+(745-215)=1173226×2+406=858120+335+438=893465-181-175=109696×6-841=3335355-72-186=9783-16×3=35204×7-611=817853+108×8=1717358-170×2=18914-296×2=322236×(848-845)=70899×6-186=408165×(49-46)=495829×(539-532)=5803513-86×2=341119-(61+48)=10289-201+298=386401+494+277=117213×6+172=25018+319-332=5143×5=715351-(437-273)=187353+(141-24)=470557-71=486590×8-425=4295825×8=660013+445×2=903902+244=1146205+(870-224)=851170-122+99=147119×8=952879-218=661372+365=737232×3-438=258153×5-329=436473×8=3784731-249×2=23365+(955-177)=843256+442+413=1111288-(92+184)=12499-(330+26)=143389-(426-408)=371584-467=117802-395-68=339473-309+58=222392-(349+29)=14480-199-43=23896+75+813=984597+260×3=1377189×4=756870-(352+355)=163969-145+15=839283+(182-71)=394646+169+17=832680+238×4=163226+327-127=226383-(17+259)=107189×(376-373)=567373+(815-680)=508922-(242+478)=202296-52-213=31742-122=620139+294-351=82700+134-514=320485+298+75=858112×4=448816-(30+398)=388564+101=665147×2=294781-483-147=151938-170=768439×8-578=293428×(56-47)=252385-74=311866+101+631=1598555-(298-193)=450294+127-220=201538+17+321=87643×8-327=17462-20×3=40281×(502-496)=48624×8+488=68022×2+610=654262-221+182=223123×5-432=183131×2+307=56976+(240-230)=86436-221=215270×3=81062×8=496501+634=1135838-450+910=1298651+111=762412+137=549626+507-996=137983-(819+115)=49292+274×2=84059×3=177586-(240+71)=27546×5+236=466520×8=4160472-(656-334)=150578-452=126894-(391+388)=115795-362-47=386712+250+945=1907697-58+968=16075/8-3/8=2/8398-135+290=553220×9=1980826-309×2=208499-129=370106×9=954431-335+806=902245-59=186140×7-421=55971-(19+36)=16489+(488-37)=940314+22+71=407629+803+784=2216120+685=805782+658=1440346-194+49=201133+95×9=988187+95-196=86202-25=177730+796-940=586548+(568-530)=586239+130+32=401223-97+367=493389-177×2=35878-537=341355-42×6=103271-(402-158)=27396-64×6=12319+110=429466-358=108102×5+420=930404+(479-15)=868887-360+54=581956-764-51=141256-(66-32)=222165×(827-822)=825266-152=114666+822+798=2286621×(173-164)=5589564+622-793=393188+307-280=21531+(433-199)=265398-(21+86)=2911/8+5/8=6/8523+325-65=783229-(171-33)=91957-483-360=114918-238-30=65043+(394-263)=174160×3-409=7185×(358-349)=765441-26×8=23330×9=270835-105×7=100362-73-12=277815-54-740=21511×(839-831)=4088405-(16+346)=43171×2+534=87626×5=130562-93=469350-(363-177)=164497×2-430=564922-230×2=462642×(879-872)=4494174×(348-343)=870391-129-258=43/7-2/7=1/7411-36=375902-683+186=405310-27×2=256272-101=171537-(251-207)=4933/6+2/6=5/6412+70=482475+(433-236)=672889×(268-264)=3556289-64-64=161788+81×8=1436469-68×3=2654/8-3/8=1/8403-167=236141×(386-383)=4234/8-1/8=3/8959-(437-223)=745308-138=170387×8-428=2668179-65×2=49338-132=206311+(304-102)=513304+(699-244)=759197+34+794=1025367×2=734442-(246-201)=397240+117=35722+(867-629)=260134+74=208477-(390-377)=46417+47+478=542387+294+59=740651×(843-836)=45571/5+3/5=4/53/8+4/8=7/8305+213+16=534318×3-229=72542+(992-633)=401665+489-613=541247+133+779=1159396+(958-450)=904887-443+771=1215773×5=3865161×(125-117)=1288370-31×3=277431-85-129=217649+(353-143)=859442+(408-235)=615108+298-224=182170+(820-471)=519500-(466-74)=10871×8+36=604191-(77+55)=59266-131=135279-142-32=10546+241=287978-(99+199)=680189+103-142=150358-51×7=1518-168×2=182582-39×7=309459+609-299=769291-(916-830)=20579×(127-120)=553278-(351-184)=111171×2-45=297690×8-238=5282446-298+265=413428×(613-605)=3424106-100+472=478841×5-789=3416654+201+102=957974-873=101268-30=238851-(88+381)=382774+842-907=709164×(409-405)=656920+(591-583)=92873×2+499=645329+91×2=511485-(100+229)=156257-(474-358)=141468×2-451=4858/10-1/10=7/10138-55+362=445465-52+161=574915×5=4575124+284=40832×9=288425+(98-41)=482322-223+195=294771-(147-107)=731912-10×8=832225+41×9=594808+917-739=986305-(261-238)=282462×8=369664-(408-370)=26936-850=86262+44×9=658348-244=104520×3=1560427-42×8=91991-258-559=174146×(403-397)=876392-199+18=211497-187=310107×8=856919-732-96=91401-46×2=309236+(336-254)=31840+841+70=951315+141+409=865375-321+267=321492+448=940110+220-61=269389-89=300421-240-139=42956-(965-760)=75148+260+540=848172×5-333=527448×2-568=328486×4=194445×5-22=203107×4-332=96980-13×6=902109+39=148808×(365-359)=4848543+152+67=762532-63-266=203257-24×8=65500-158-247=95241-(134-122)=229413-325+356=444162×3=48682×(99-95)=328324×(490-482)=2592297-(483-476)=290852-(371+76)=405510+443-803=150319+257=576855-615-129=111694+207=90130×(297-288)=270156×(472-467)=7801/3+2/3=1306-(602-583)=287268×2+237=77333×(229-222)=231454-54-96=304538+896=1434592-(600-568)=560201+130-288=43660-(225+29)=406789-(281+65)=44329+(200-153)=76280-11-73=196278+26+463=767118×7=826490-(110+296)=84330×(642-637)=1650117×7-619=200404-27=377292-(408-184)=68494-19×8=342395+45×9=800391×(963-958)=1955318×2+334=970760×8=6080401-305=96712-58×2=596619-(242+53)=324189+65=254761+(730-147)=1344439+12-140=311952+145+890=1987111×8-143=745619+610-647=5824/7+2/7=6/7943-225=718372-51×6=66985-173×5=12073×6+556=994135+238=373431-(80+23)=328478-(153+221)=104491+(494-406)=579315×6=1890827-525-275=27974-222=75287×(382-379)=261763-654=109734-(157+543)=3490+(461-173)=378432-174-138=12090×7-50=580687+(918-466)=1139481×4=1924220×3=660186×(125-121)=744212+219=431813×2-723=90365+720+834=1619364-105×2=154934-81×8=286387-(219+90)=7887×(257-248)=783285-(416-376)=245788×6-962=3766887+204-124=967388+951-755=584194-(138+41)=15139+185=324449-158×2=133991-(393+510)=88432+74×4=728102+270=372177-(78+62)=37369×(34-27)=2583535-(940-532)=1272/8-1/8=1/8567-12×3=53198+(346-141)=303685-83-205=397110×(263-259)=440234+139=373685-72+219=832688-(214-151)=625443+(825-117)=1151869-(292+467)=110344+342=686499-(110+337)=52300+523+900=1723261×3=78379+387=46698+54+592=744428-233=195804×(86-82)=3216949-325-400=224331-198-60=73763+(540-168)=1135949×9=8541939+(977-246)=1670746+243=989488×2+814=1790914-147=767481-104-79=298221+373=59464×7-427=21779+335-886=228834+152-84=902973-322×2=32935+140=175124-(258-163)=29189×2+104=4824/8+3/8=7/8933+728-485=1176432+(445-131)=746687×9-23=6160402+78=48072+(221-171)=1223/10+2/10=5/10261-15×8=141343-12×3=30787×4+872=1220776+55+28=85958×9+88=610893×(404-395)=8037424×3-515=757362-(90+131)=141946-347=599168+531=69922×7=154494-265=229288-85=203175+(218-199)=194680+571-548=703494-(462-44)=76337-212+277=402318-(409-224)=133165-16×6=69192+58×7=598204+119=323427+(448-90)=785769+269=103812×(330-324)=72415-(62+297)=56172-52+153=273254-(260-40)=3439×7=273885+836+235=195699+305=404181+193-264=110859-18-251=590447+(986-175)=1258856×(613-604)=7704406+155+108=6693/7+2/7=5/7141+144-274=1183+239+90=412182+181-131=232261×6-589=977400-249-105=46406+296×3=1294181+759+936=1876855×6-564=456698+395=493385-83×3=136196+(986-33)=1149278-(191+71)=16154+245-388=11186×2+76=44853×(662-659)=15943×(15-12)=129593×4-878=1494921-(305-252)=868127+(366-244)=249149×(338-332)=894204×2-58=35087+248=335484-35=449395+174=569337+161-455=43600-492+45=153255-(431-225)=49347×3-652=389459×5-406=1889241-90-46=10562×7=434729×(48-43)=3645278×2-506=50302-207=95111+340=45165×9+420=1005449-(201+56)=192218-57=161747+17-360=404190×(187-184)=570690×8-287=5233989-311-141=537496-23=473912-151+603=1364885-688+64=26178+260-226=112143-(253-223)=113738×(498-492)=4428361×(173-165)=2888303+300×3=1203433-51-92=290449+729-801=377322-39×4=166201×(113-110)=603245-12×6=17392+280+171=543947-(348+556)=43472+(843-459)=856265+126=391958-68-82=808528-156×2=216310-(142-98)=266854×5=427053×8=42489-63=26345-46-178=12132+245+245=522187×4-520=228432+48-193=28778×(253-248)=390690-532+471=629370-134×2=102573×5=2865965×(954-950)=3860405+(261-123)=543264+139-256=147143+(298-238)=203958-124×7=90457-(424-404)=437370+66-362=7425×2=5039×9-26=325558-177×2=204371-35×2=301106×8-689=159486-110×3=156309+130=439199-(75+86)