三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專(zhuān)項(xiàng)練習(xí)附答案集錦345+827+244=447-438+167=80×(437-434)=2/10+8/10=251+82=43+188=879×9-862=936+(761-398)=797-(195+234)=132+(240-27)=287+(485-257)=111+347-255=604-111-452=107×(28-19)=908-28-176=822-(212-58)=88×9-456=31×(91-87)=659-(445+179)=362-137=247×4=290+108=230×4-168=95-(31-15)=781×7-837=812+496-863=922×(50-41)=79+401-462=297+507=297-26×7=818-215+852=292-252+80=482-(85+368)=988-167+601=3/4-1/4=925+286-691=445-43×7=3/7-1/7=38+320×2=190+498+286=151×(793-790)=298-174=527+(970-354)=685+181×5=59+362-229=63×3=178×3=594×8-404=568-52×9=564+247×3=755-199-238=315-44×5=22+422-403=39+232-191=125-50+237=687-121×4=272+521+297=752×7-350=12×(184-181)=468×2-91=374-69-200=240×3-346=434-54=130+(328-250)=521-380+482=973-222=916+408=267×(366-363)=393+78×7=234×(876-869)=585-101×4=269×2+290=268-(287-115)=333×4-281=439-205=274-111+186=140+266=455-(23+203)=91×7+879=351+(232-42)=292-(137+96)=183×(284-279)=795-202-148=439×2=909+21+718=806-707+447=349-258-70=782-113-577=215+200=977-352=916-171×3=457-(693-246)=282-(370-334)=30×7=256×3-617=32×8-240=5/10+3/10=350-(124+109)=722-44×6=405-12=287-33=64+167=445+(994-347)=991+898+675=772+599-991=373+89=621×8-757=348×2=527-479+169=243×2+521=389+333+678=330-286=348-(202+32)=963-(388+148)=973-259×2=530-(581-306)=111+522+358=908-(759-498)=134+305=488-331-21=290×3=269-(464-249)=76-63+478=132+(497-351)=318-80-42=139×(29-26)=360+370+817=77×(171-166)=215×2=763+(709-15)=401-(113+283)=5/7-2/7=371+994=954-31×4=4/7-2/7=999+747-338=352-197=73×5=482-(76+33)=72+387-394=773+518-219=3/10-2/10=563+90+35=212+44=249-(398-176)=434-205-173=497-312+168=283+176+183=362-327-24=438-52×5=525+70+258=466+(367-88)=603-(830-436)=2/6+3/6=205×5-300=416+391-15=83×9=985-191=916+452-101=345×2+190=99×8-66=891+923=482×9=322+650=985-842=198-46+142=292-254+435=143×6=498-40×5=872+(53-46)=418×(869-866)=731-(123+209)=193-(59-53)=330+112=212×(439-436)=225+263=824-277=444-134=94×5-218=452-14×7=4/8+2/8=114+671=95+303+456=392×2-442=849×6=366-(360-52)=264-96=194×4+460=420-(147-132)=732×4=217-97-103=774×(732-723)=242-(619-468)=217-188+31=370-264-35=136×7=64×6=129×7=106×5+149=36×(837-830)=3/8-2/8=343+(333-287)=221×(310-306)=92×9-174=298-56×5=169×(452-449)=371+(406-207)=865+(832-210)=354+888-194=732-(771-676)=405-94=484-292+114=147+334-56=132+47×3=5/7-1/7=116×(244-238)=133+59×9=633-605+314=225+316=16+168+32=940-308×2=60+(953-605)=847-(641+90)=439×2-163=294×2+225=639×2=575-57×5=347-(386-257)=100×(51-46)=467-131-119=794-202-517=727-182-198=115×7+63=974×8=836×4=238×3-421=338-218+360=1/8+6/8=102×8=422+(77-44)=159+148-180=182+245-122=122×3=358+(260-257)=983×4=349×2-19=210-47-54=259×3+616=28+14=783×8-158=129-19-23=817+698-92=400-209-167=81+407=247-(327-120)=901-(123+290)=406+53×6=386-382+243=633+143×4=961+699-169=517×3-334=43+165=720-685+622=365-10×7=96+213=11+847+152=406+760-252=350-(155+122)=211+219-94=380-324+329=259-10×6=384+38-310=236+444+199=488-40-295=815-(43+365)=990-261=292-(989-918)=944×(38-35)=590+30+337=978-177=890-(553+85)=489-(101+35)=116+(489-394)=415×2+107=489-80×6=80×4=820-64-657=757-(510-180)=51+761+929=463-(298-37)=411-72×2=290-238+888=90-30+104=101+105+44=970-(442-29)=58×(103-97)=155×4=90×2+136=233-206+33=481×2+287=532-215-226=3/8+2/8=151+275-177=507+80×7=319-230+234=434-350+88=58+396-387=826+206+12=264+457×2=575+35+74=414×2=627-(261-200)=401×4=173-(81-47)=331×(438-435)=150×3=233×4-718=270-184-57=782×9=318-33×7=870-550=388×2=496-32×3=146-(85+34)=165+232-215=312+(305-99)=38×4+494=211×2=312-305+54=487×4-822=925-593-174=354-277-23=478-308-33=131+84=559-462+321=3/5-2/5=655+206×3=997-952=334-(223-191)=51×(141-137)=389×2-223=254×(643-634)=288-33-134=248×9-210=842+(515-393)=561-(334+33)=80+771+114=790-395=363-(144-140)=349+121-462=314+65×7=416+217=94+183-157=927-422-431=134×(357-354)=418-70-73=457+382=383×6-573=438-(251+27)=422+(487-29)=751+90×8=361-(402-382)=750-89×7=921-87+471=738-(144+371)=143×3+12=993-(952+39)=133×7-521=79×(811-803)=438+(298-145)=744-(20+221)=847-(31+410)=482+34+313=521-173+180=881-(200+415)=369-(25+117)=277×(923-919)=47×8-246=398-(182-21)=972-179×4=606-258=554-13×5=26×5=218-12-92=136+223=488-(847-769)=413+164+242=244×4-669=42×(142-138)=450×6=176+104+426=78-36+358=25+348-125=89×7-230=695-(397-124)=263+223-483=381×5=382+83=150×4-506=820-11-298=803-88×6=390×2-595=822-(111+398)=715-(587-510)=451-311+41=324+(369-44)=436-(88+37)=238-117+337=942-365-194=206-(50+42)=345-(245+44)=357+73+302=185+653-570=362+135×3=6/10-4/10=500-(52+259)=659+673+803=328-(31+274)=348+(947-865)=370+121=573+328+700=61×4+826=200-16×2=398-(270+18)=119×5-434=11+(267-261)=45×9-61=379+114×4=263+195-323=848-304-28=487-348-81=811-582+544=406-174=745-287×2=415+106+181=352+37-200=646-551=463-(496-57)=695+(863-430)=58×2=121×5+613=492+58×6=433-14×5=114×3+181=2/7-1/7=396-101×2=316+(994-740)=463-(107-36)=245+109=137-67-51=653×3=802-65×9=31×7-72=717×8=41×3+457=47+(473-135)=271+146+280=271-122=685+52+41=25×(164-157)=135×4+417=276-(78+46)=353-(96+222)=620-183-144=672×2-466=446×2=224-23+88=242×9=437+203×4=904-(55+711)=306×2=1/4+3/4=370-206=955-37×9=468+379+113=72×8+135=119+118=478-(88+256)=302+90-319=358-(220+83)=385-15×5=398-378+242=87+(352-237)=919-(225+450)=811+132+632=818-756+824=215-(79+103)=192+(321-88)=530×5-290=107×3-248=309+(197-53)=36+996+949=599×8-622=174-50×2=700×5=709-(54+646)=434-119-62=402+460+583=114+198=155+666=86+65×8=411+45-371=369+(375-83)=466-168-279=412-113=170×2+788=428-325-53=591-(488+101)=470+866=267-94=933×(117-109)=562-229-138=136×4-61=838-260=437×(822-818)=476+191-428=261+17×6=221+(499-218)=201-33×2=442+685-521=105+596-90=453-(173+194)=424-115×3=436-(161+258)=275-96+785=840-(23+379)=581-(62-42)=153×2+424=115-(79-11)=87+(228-120)=310-43+220=327+727-886=985-(309+129)=725-114-38=361-53=473×2=148+255=94+90+332=67×7+24=477-44×5=927+373+549=385+116+472=534×2=141-(314-229)=358+21×8=110+(275-191)=176-140=430+(257-176)=902-(597-262)=128-57×2=81×7+422=540-(28+184)=280-18×5=156+(323-135)=185+236×2=215-125+183=31+22+198=113+368=582×4-497=371-110×2=444×8=208×(256-253)=84+125=490-(240+32)=783-(852-543)=289+53×4=366+33-254=821-673=425-63×5=1/4+2/4=160+(492-151)=771×2=829+500=545+63+143=472-18-188=893-(219+618)=375-57=776+(671-605)=363+938-453=563+(885-501)=360+140-56=439-386=116+78+647=236+205=116-83=217×(528-523)=55×9-87=223+216-336=821×8-453=561-287+444=118-17=703-553=456-266+277=987+142×2=447-(158-149)=358-281=108+73×4=898×7-434=875-96×9=55+(921-909)=280-(324-272)=93×5+488=839+720+126=445×3-171=334-270=93×4=516+768+719=393-(94+123)=415-55-184=372-29×4=132+(325-53)=58×8+489=755-(694-626)=475-(262-93)=303-41×2=768-236=48+32=485-(69+136)=70-25×2=10×(404-399)=491-446+267=224+384=810+463-130=72×8=595+553-778=416-165=334-243+92=336-87×3=942-49+53=586-(499-52)=377-22=404-142-100=962-669-69=251-130=192-46×4=40+(762-20)=204+79+95=391-(63+150)=481+202=55+52=912-(353+386)=776-250+804=669-411=140+48=101×7-171=373-329+198=167×2-311=955+949-263=93×(45-36)=385+(293-66)=485-435+915=837-49=117×2=649-(810-470)=218-142=16+(434-60)=759+803=255×(46-43)=208+(462-434)=324×3=871+942+513=425×8=498×9-734=921+837+171=184+(391-242)=281+(948-783)=233+44-253=461-442=1/6+3/6=259-28×7=751-49-227=327-89=245+(453-228)=985-(360-352)=466+562-691=350×2-284=410-45-289=429-(347-30)=396-(219+91)=485+56+315=537×2-924=852×(611-604)=459-(121+110)=473-(408-251)=11×(143-135)=718-51-82=391-98-245=252+134=26×7=266+(898-376)=134+476+357=306-87-191=632-498+194=119-(369-312)=282-(409-278)=742×(572-569)=12+(479-222)=683-526+437=790-348=65+369+381=969-512-414=954-214+933=46×2+200=505+24+163=765+346+305=105+363=3/5-1/5=68×9-216=909+936=130×(46-42)=474-(180+222)=80+441×2=950-699+614=523+188+274=156×3=634+477+883=205+(304-272)=630+(746-406)=790-(278+186)=414-329=2/8+4/8=336-196=935-(951-458)=252×(262-255)=598+(703-349)=822-161×4=963-196+210=69×(254-246)=97+70-123=154×(353-349)=639+134=25+54×4=124-70+351=645×6-913=77+237-165=299×8=711+(933-920)=218-104×2=215+(139-123)=779×(827-820)=687+(870-810)=298+472=960+229×3=62+87=271×3=605+399+926=474-183=281×(95-92)=86×(823-820)=53+321+491=479-32×6=360×2-286=186×4-527=758+59+122=482-(836-802)=750+736+581=200+(489-17)=828-316=205+177=101×8-97=241+556-793=809-(102-84)=875-630-121=495+82×6=553×(895-887)=862-(763-287)=861-(778+36)=820×(477-469)=732×3=339-170+171=53+78+561=270+100=249-41×2=321-(258-142)=135×6-140=44×(365-359)=603-119+474=815×(386-379)=584+787-211=280+568=766×9-526=489+747=52+485+208=117×7=530-217×2=35×(118-112)=850-238×2=885×(786-782)=357+340-124=370-273-31=994-740+104=5/8+3/8=683-41×5=13×(629-621)=196×(406-401)=412-384=478-26-308=205+303×2=198+35×6=443+419=922-(436-169)=886-201×3=290×(191-186)=485-107×2=498×2=2/4-1/4=442-242-73=829-214+961=319+(829-342)=632-534=475-295=462-90×2=34×(122-115)=344+169-18=24×9+491=124+358-342=730-533=189×3-142=155+572+84=406-64+20=102×5+289=170-(452-415)=276-107=665-(343+153)=801-57-136=94×(256-250)=362-(345-56)=228-(80-71)=392-(73+150)=73×2+203=257-(330-268)=307×3-699=188-(338-320)=148+414=3/7+4/7=493-265-163=947-63×9=939-148+883=269+880-144=349-260-36=166×(102-99)=220+199=329×2=854-83-224=977-42×7=953+93-390=347+46-114=745×9=950-649+578=985-347=919-262-646=957×(42-38)=467×(529-523)=490×6=482+(384-229)=252+349=278-(413-229)=869+53-297=167+536+520=285+92=166+22-138=176+188=968-745=216+170-381=參考答案345+827+244=1416447-438+167=17680×(437-434)=2402/10+8/10=1251+82=33343+188=231879×9-862=7049936+(761-398)=1299797-(195+234)=368132+(240-27)=345287+(485-257)=515111+347-255=203604-111-452=41107×(28-19)=963908-28-176=704822-(212-58)=66888×9-456=33631×(91-87)=124659-(445+179)=35362-137=225247×4=988290+108=398230×4-168=75295-(31-15)=79781×7-837=4630812+496-863=445922×(50-41)=829879+401-462=18297+507=804297-26×7=115818-215+852=1455292-252+80=120482-(85+368)=29988-167+601=14223/4-1/4=2/4925+286-691=520445-43×7=1443/7-1/7=2/738+320×2=678190+498+286=974151×(793-790)=453298-174=124527+(970-354)=1143685+181×5=159059+362-229=19263×3=189178×3=534594×8-404=4348568-52×9=100564+247×3=1305755-199-238=318315-44×5=9522+422-403=4139+232-191=80125-50+237=312687-121×4=203272+521+297=1090752×7-350=491412×(184-181)=36468×2-91=845374-69-200=105240×3-346=374434-54=380130+(328-250)=208521-380+482=623973-222=751916+408=1324267×(366-363)=801393+78×7=939234×(876-869)=1638585-101×4=181269×2+290=828268-(287-115)=96333×4-281=1051439-205=234274-111+186=349140+266=406455-(23+203)=22991×7+879=1516351+(232-42)=541292-(137+96)=59183×(284-279)=915795-202-148=445439×2=878909+21+718=1648806-707+447=546349-258-70=21782-113-577=92215+200=415977-352=625916-171×3=403457-(693-246)=10282-(370-334)=24630×7=210256×3-617=15132×8-240=165/10+3/10=8/10350-(124+109)=117722-44×6=458405-12=393287-33=25464+167=231445+(994-347)=1092991+898+675=2564772+599-991=380373+89=462621×8-757=4211348×2=696527-479+169=217243×2+521=1007389+333+678=1400330-286=44348-(202+32)=114963-(388+148)=427973-259×2=455530-(581-306)=255111+522+358=991908-(759-498)=647134+305=439488-331-21=136290×3=870269-(464-249)=5476-63+478=491132+(497-351)=278318-80-42=196139×(29-26)=417360+370+817=154777×(171-166)=385215×2=430763+(709-15)=1457401-(113+283)=55/7-2/7=3/7371+994=1365954-31×4=8304/7-2/7=2/7999+747-338=1408352-197=15573×5=365482-(76+33)=37372+387-394=65773+518-219=10723/10-2/10=1/10563+90+35=688212+44=256249-(398-176)=27434-205-173=56497-312+168=353283+176+183=642362-327-24=11438-52×5=178525+70+258=853466+(367-88)=745603-(830-436)=2092/6+3/6=5/6205×5-300=725416+391-15=79283×9=747985-191=794916+452-101=1267345×2+190=88099×8-66=726891+923=1814482×9=4338322+650=972985-842=143198-46+142=294292-254+435=473143×6=858498-40×5=298872+(53-46)=879418×(869-866)=1254731-(123+209)=399193-(59-53)=187330+112=442212×(439-436)=636225+263=488824-277=547444-134=31094×5-218=252452-14×7=3544/8+2/8=6/8114+671=78595+303+456=854392×2-442=342849×6=5094366-(360-52)=58264-96=168194×4+460=1236420-(147-132)=405732×4=2928217-97-103=17774×(732-723)=6966242-(619-468)=91217-188+31=60370-264-35=71136×7=95264×6=384129×7=903106×5+149=67936×(837-830)=2523/8-2/8=1/8343+(333-287)=389221×(310-306)=88492×9-174=654298-56×5=18169×(452-449)=507371+(406-207)=570865+(832-210)=1487354+888-194=1048732-(771-676)=637405-94=311484-292+114=306147+334-56=425132+47×3=2735/7-1/7=4/7116×(244-238)=696133+59×9=664633-605+314=342225+316=54116+168+32=216940-308×2=32460+(953-605)=408847-(641+90)=116439×2-163=715294×2+225=813639×2=1278575-57×5=290347-(386-257)=218100×(51-46)=500467-131-119=217794-202-517=75727-182-198=347115×7+63=868974×8=7792836×4=3344238×3-421=293338-218+360=4801/8+6/8=7/8102×8=816422+(77-44)=455159+148-180=127182+245-122=305122×3=366358+(260-257)=361983×4=3932349×2-19=679210-47-54=109259×3+616=139328+14=42783×8-158=6106129-19-23=87817+698-92=1423400-209-167=2481+407=488247-(327-120)=40901-(123+290)=488406+53×6=724386-382+243=247633+143×4=1205961+699-169=1491517×3-334=121743+165=208720-685+622=657365-10×7=29596+213=30911+847+152=1010406+760-252=914350-(155+122)=73211+219-94=336380-324+329=385259-10×6=199384+38-310=112236+444+199=879488-40-295=153815-(43+365)=407990-261=729292-(989-918)=221944×(38-35)=2832590+30+337=957978-177=801890-(553+85)=252489-(101+35)=353116+(489-394)=211415×2+107=937489-80×6=980×4=320820-64-657=99757-(510-180)=42751+761+929=1741463-(298-37)=202411-72×2=267290-238+888=94090-30+104=164101+105+44=250970-(442-29)=55758×(103-97)=348155×4=62090×2+136=316233-206+33=60481×2+287=1249532-215-226=913/8+2/8=5/8151+275-177=249507+80×7=1067319-230+234=323434-350+88=17258+396-387=67826+206+12=1044264+457×2=1178575+35+74=684414×2=828627-(261-200)=566401×4=1604173-(81-47)=139331×(438-435)=993150×3=450233×4-718=214270-184-57=29782×9=7038318-33×7=87870-550=320388×2=776496-32×3=400146-(85+34)=27165+232-215=182312+(305-99)=51838×4+494=646211×2=422312-305+54=61487×4-822=1126925-593-174=158354-277-23=54478-308-33=137131+84=215559-462+321=4183/5-2/5=1/5655+206×3=1273997-952=45334-(223-191)=30251×(141-137)=204389×2-223=555254×(643-634)=2286288-33-134=121248×9-210=2022842+(515-393)=964561-(334+33)=19480+771+114=965790-395=395363-(144-140)=359349+121-462=8314+65×7=769416+217=63394+183-157=120927-422-431=74134×(357-354)=402418-70-73=275457+382=839383×6-573=1725438-(251+27)=160422+(487-29)=880751+90×8=1471361-(402-382)=341750-89×7=127921-87+471=1305738-(144+371)=223143×3+12=441993-(952+39)=2133×7-521=41079×(811-803)=632438+(298-145)=591744-(20+221)=503847-(31+410)=406482+34+313=829521-173+180=528881-(200+415)=266369-(25+117)=227277×(923-919)=110847×8-246=130398-(182-21)=237972-179×4=256606-258=348554-13×5=48926×5=130218-12-92=114136+223=359488-(847-769)=410413+164+242=819244×4-669=30742×(142-138)=168450×6=2700176+104+426=70678-36+358=40025+348-125=24889×7-230=393695-(397-124)=422263+223-483=3381×5=1905382+83=465150×4-506=94820-11-298=511803-88×6=275390×2-595=185822-(111+398)=313715-(587-510)=638451-311+41=181324+(369-44)=649436-(88+37)=311238-117+337=458942-365-194=383206-(50+42)=114345-(245+44)=56357+73+302=732185+653-570=268362+135×3=7676/10-4/10=2/10500-(52+259)=189659+673+803=2135328-(31+274)=23348+(947-865)=430370+121=491573+328+700=160161×4+826=1070200-16×2=168398-(270+18)=110119×5-434=16111+(267-261)=1745×9-61=344379+114×4=835263+195-323=135848-304-28=516487-348-81=58811-582+544=773406-174=232745-287×2=171415+106+181=702352+37-200=189646-551=95463-(496-57)=24695+(863-430)=112858×2=116121×5+613=1218492+58×6=840433-14×5=363114×3+181=5232/7-1/7=1/7396-101×2=194316+(994-740)=570463-(107-36)=392245+109=354137-67-51=19653×3=1959802-65×9=21731×7-72=145717×8=573641×3+457=58047+(473-135)=385271+146+280=697271-122=149685+52+41=77825×(164-157)=175135×4+417=957276-(78+46)=152353-(96+222)=35620-183-144=293672×2-466=878446×2=892224-23+88=289242×9=2178437+203×4=1249904-(55+711)=138306×2=6121/4+3/4=1370-206=164955-37×9=622468+379+113=96072×8+135=711119+118=237478-(88+256)=134302+90-319=73358-(220+83)=55385-15×5=310398-378+242=26287+(352-237)=202919-(225+450)=244811+132+632=1575818-756+824=886215-(79+103)=33192+(321-88)=425530×5-290=2360107×3-248=73309+(197-53)=45336+996+949=1981599×8-622=4170174-50×2=74700×5=3500709-(54+646)=9434-119-62=253402+460+583=1445114+198=312155+666=82186+65×8=606411+45-371=85369+(375-83)=661466-168-279=19412-113=299170×2+788=1128428-325-53=50591-(488+101)=2470+866=1336267-94=173933×(117-109)=7464562-229-138=195136×4-61=483838-260=578437×(822-818)=1748476+191-428=239261+17×6=363221+(499-218)=502201-33×2=135442+685-521=606105+596-90=611453-(173+194)=86424-115×3=79436-(161+258)=17275-96+785=964840-(23+379)=438581-(62-42)=561153×2+424=730115-(79-11)=4787+(228-120)=195310-43+220=487327+727-886=168985-(309+129)=547725-114-38=573361-53=308473×2=946148+255=40394+90+332=51667×7+24=493477-44×5=257927+373+549=1849385+116+472=973534×2=1068141-(314-229)=56358+21×8=526110+(275-191)=194176-140=36430+(257-176)=511902-(597-262)=567128-57×2=1481×7+422=989540-(28+184)=328280-18×5=190156+(323-135)=344185+236×2=657215-125+183=27331+22+198=251113+368=481582×4-497=1831371-110×2=151444×8=3552208×(256-253)=62484+125=209490-(240+32)=218783-(852-543)=474289+53×4=501366+33-254=145821-673=148425-63×5=1101/4+2/4=3/4160+(492-151)=501771×2=1542829+500=1329545+63+143=751472-18-188=266893-(219+618)=56375-57=318776+(671-605)=842363+938-453=848563+(885-501)=947360+140-56=444439-386=53116+78+647=841236+205=441116-83=33217×(528-523)=108555×9-87=408223+216-336=103821×8-453=6115561-287+444=718118-17=101703-553=150456-266+277=467987+142×2=1271447-(158-149)=438358-281=77108+73×4=400898×7-434=5852875-96×9=1155+(921-909)=67280-(324-272)=22893×5+488=953839+720+126=1685445×3-171=1164334-270=6493×4=372516+768+719=2003393-(94+123)=176415-55-184=176372-29×4=256132+(325-53)=40458×8+489=953755-(694-626)=687475-(262-93)=306303-41×2=221768-236=53248+32=80485-(69+136)=28070-25×2=2010×(404-399)=50491-446+267=312224+384=608810+463-130=114372×8=576595+553-778=370416-165=251334-243+92=183336-87×3=75942-49+53=946586-(499-52)=139377-22=355404-142-100=162962-669-69=224251-130=121192-46×4=840+(762-20)=782204+79+95=378391-(63+150)=178481+202=68355+52=107912-(353+386)=173776-250+804=1330669-411=258140+48=188101×7-171=536373-329+198=242167×2-311=23955+949-263=164193×(45-36)=837385+(293-66)=612485-435+915=965837-49=788117×2=234649-(810-470)=309218-142=7616+(434-60)=390759+803=1562255×(46-43)=765208+(462-434)=236324×3=972871+942+513=2326425×8=3400498×9-734=3748921+837+171=1929184+(391-242)=333281+(948-783)=446233+44-253=24461-442=191/6+3/6=4/6259-28×7=63751-49-227=475327-89=238245+(453-228)=470985-(360-352)=977466+562-691=337350×2-284=416410-45-289=76429-(347-30)=112396-(219+91)=86485+56+315=856537×2-924=150852×(611-604)=5964459-(121+110)=228473-(408-251)=31611×(143-135)=88718-51-82=585391-98-245=48252+134=38626×7=182266+(898-376)=788134+476+357=967306-87-191=28632-498+194=328119-(369-312)=62282-(409-278)=151742×(572-569)=222612+(479-222)=269683-526+437=594790-348=44265+369+381=815969-512-414=43954-214+933=167346×2+200=292505+24+163=692765+346+305=1416105+363=4683/5-1/5=2/568×9-216=396909+936=1845130×(46-42)=520474-(180+222)=7280+441×2=962950