四年級數學（簡便運算）計算題專項練習與答案81×21-81=13×15×6=185+(15+908)=245-(10+185)=631+271-271=893-232-68=8×8×125=150÷2÷5=963+898-898=71×83-83=959+(197+41)=86+311-66=119×50-59×50=34+25+36+875=891+422-392=987-62-838=367+150+33+50=500÷2÷5=199+439+101=174×42-164×42=89×94+94=186+(700+614)=892-(687+92)=31×125×8=47×4×25=61×77-77=25×93×2=91×74-74=29×101=572-17-73=49+56+41+34=172×36+28×36=88×71-88=402+768-322=11+472+59+228=134×18-84×18=32×79+168×79=56+518+24=434+19+366+51=39×76+76=2×31×35=885-(585+210)=32×20+168×20=131×29+69×29=60×10-10×10=27×99=16×82+44×82=260-(200+28)=28×49+28=564-203-197=59×64+64=321-15-15=385+456+15=659+447-159=99×21-99=25×59×4=638-115-485=196×61+104×61=5×81×18=27×16+23×16=66×61-66=83×38-63×38=416-322-78=19+119+381+481=116+163+137+84=83×95+17×95=6×8×125=650-105-395=545-(41+45)=67×101=900÷5÷6=647-212-388=967-575-325=121×75-61×75=12×97×5=560÷35÷2=25+26+64+35=210÷14÷5=125×97×8=24+40+676+60=918+(894+382)=124×61-54×61=165-(36+125)=271-45-45=71×17-17=76×21-76=99×25×4=97×85=328+(205+472)=89×10+181×10=79×5×2=102×64=300÷25÷2=232+490+110=196×92-156×92=360÷6÷15=21×29+21=79+78+422+21=131×19+69×19=332+366+268=50+(150+685)=2×81×45=77+389+511=2×13×45=95×25×4=470÷5÷2=93+546+354=71+345+19+555=604-48-42=95+58-55=34×59+34=97×54=114×73-24×73=39×95+95=320÷5÷16=37×21-37=570÷6÷5=448-(60+368)=90×23+110×23=263+243+357=180÷6÷5=12+565+58=610-92-208=208+373+92+227=110×98+90×98=95+460+340+105=14×33×5=263+(218+637)=90×52+110×52=984-(184+430)=835+824-735=536+56+264=105×63-15×63=8×27×25=122+19+11=808+(92+600)=180÷2÷5=640÷4÷5=35×25×4=14+192+16+308=986-389-11=998-(494+398)=21×65-65=33+121+27=518+13+382+37=87+(513+295)=806-268-532=73+64+536=53×12×5=68×59+68=41×16×5=5×125×8=49×61+61=18×29+18=984-(284+561)=478-224-76=19×70+70=316-(256+50)=39×29+39=200÷5÷4=583-177-23=616-516-84=618+33+67=48+187+313+352=467-(67+341)=365-18-72=130×76-70×76=490÷5÷14=63×19+63=127+11+59+573=375+53+147+425=25×47×4=117×99+83×99=125×17×8=381+772-361=4×88×25=267+(979+833)=71×91-71=246+357+154=34×61-34=203+28+32+97=33×125×8=44×91+156×91=69×103=77×15×6=79+128+121+72=15×25×4=101×19=35×67×2=859+20+41+80=124×45+76×45=660÷2÷5=54×98=557+(964+943)=366+(934+371)=874-(374+267)=83×8×125=399+214+301=65+337+263+15=5×43×16=31×51-51=4×49×25=125×3×8=77×19+77=33×71-33=16+873+14=139+15+285+361=125×69×8=13×8×5=112+522+88=315+332+68+185=53×8×125=745+(855+71)=33+40+47+60=59×5×18=32×82+28×82=4×38×25=89×125×8=103×61=853-142-258=254+82+118=16×73+34×73=5×29×18=35×103=77×71+23×71=181×62-101×62=39×6×5=249+133+51+167=4×27×75=5×51×12=25+52+375+348=174+505+126=816-446-254=270÷6÷15=53×84+47×84=395+229-139=292+56+208=460+911-211=26+540+360+54=323-126-174=97×125×8=11×4×25=394+(206+648)=97×16=2×99×35=826+841-816=24+233+66=810÷5÷18=566-(66+315)=284+44+156=374+(726+870)=4×43×15=150+27+650=467+11+69=123×18-113×18=21×8×125=476+906-476=167×79+33×79=29×19+19=95×103=966+(80+934)=738+(213+462)=686+(603+514)=520-42-28=707+(193+766)=101×96=35×101=927+879-789=102×87=75×25×4=87+47+153=137+444+63=25×69×4=4×26×25=25×39+35×39=61×84-84=13×37+47×37=31×21-31=27×45×2=37×25×4=42+30+158+50=865+17+83=19×15+15=110×40+90×40=81×4×5=767-(267+399)=943-(384+43)=98×97=21×22-22=113×14+187×14=900÷6÷5=560÷8÷5=12×23×25=137×43-97×43=67×5×2=14×71×5=883-682-118=158×58-128×58=148+38+252+462=5×27×8=88+450+150+112=581+137+163+119=306+199-169=59×53+53=12+253+188+547=159+739-59=82×48-52×48=89×53+53=825+86+75=77×8×125=586-21-19=280÷14÷5=29×25×8=21×78-78=66+488+112+34=740-(336+340)=78+(741+822)=19×39+19=25×33×4=306+(494+75)=455+951-445=2×17×15=8×61×125=13+368+32+37=5×99×18=903-(603+204)=51×79+19×79=720÷16÷5=130×30-120×30=76×4×25=948+(352+60)=4×8×25=107+37+293+53=612+13+77+188=295-45-25=34×61+166×61=350÷35÷2=942-(442+404)=25×47×8=5×27×16=63×54+37×54=11×175×4=720+69+180=133×83-113×83=4×24×25=756-(156+117)=309+173-83=100÷2÷25=15×19×6=153×65+147×65=86+266+14+634=720÷12÷5=531+237+169=2×37×15=130+158+670=99×81-99=8×96×125=348+44+452+46=91×88-88=154×68-84×68=740÷5÷2=93×89+93=39×33+33=5×89×2=33×31-33=162+310+190+38=13×4×25=962-(16+872)=493+119+307=69×45×2=71×97=593-(171+293)=13×8×125=269+156+44+31=102×42=25×15×4=458+50+350+42=955+71-41=33×25×4=115+18+482+85=93×39-73×39=560+(695+440)=8×26×125=61×25×4=92×102=466+18+134+12=109+98+591=362+215+185=355+113+45+187=25×5×4=410÷2÷5=173+390+227+10=872-(39+812)=960+115-95=388+116+84=930-761-139=79×60+60=29+56+244+41=8×88×125=682+30+18+20=610+(190+893)=84×97=149×32-109×32=159×12+41×12=633+62+28=367+121+279+233=89×81+81=12×69+12=821-(621+75)=82×102=540÷4÷15=67×15×6=25×27×4=53×5×8=4×28×25=195+197+203=47×8×125=278+230+70=25×41×4=423+30+370=153+173+347+27=12×19×25=75+176+524+15=67×25×4=125×81×8=7×125×8=41×18×5=103×28=41×53-53=958-(258+480)=41+(659+962)=586+129+171=148+83+252=8×49×25=187+78+122=82×101=125×13×4=25×19×4=355+154+246=8×9×125=72+431+269+28=5×39×8=513+956-423=531-(345+131)=287+274+226=49×102=81×8×125=16×49+16=246+67+33+254=19×16×5=585+449-149=37×5×2=833-359-441=171+650+150=66+109+391=98×4×25=271+17+383=118×67-78×67=600÷4÷5=91×67-67=445-(45+79)=8×46×125=658-121-279=188+(785+212)=135+51+265+449=101×45=643-127-73=368+(732+295)=923-(23+131)=141+130+70+459=49×88+88=8×47×5=135+97+665=134×70-34×70=14×80+76×80=802+525-525=27×125×8=621-35-65=71×11-11=79×15+15=833-(45+743)=279+626+21=12×49+12=7×4×25=68+444+156+22=162+487+138=940-177-323=124×74+76×74=15×79×4=542-254-146=30×29+60×29=990-(690+19)=8×87×125=672+(428+603)=12×4×25=78+484+22=358+376-328=17×25×12=146+183+454=476-(18+176)=353+164+247=59×91-59=890+439-139=8×67×125=63×2×35=55×125×8=188×35+112×35=91×5×16=199+398+102=551+196-186=191+543+109+57=760÷2÷5=128+289+172=424+867-367=108×21-78×21=31×11-11=379+942-279=58+94+42=499+909-439=41×55-55=91×4×25=383+22+417=649+856-149=332+344+268=9×8×125=523+14+277+46=900÷5÷12=339+120+480=125×33×8=720÷15÷2=405+29+95+271=16×87+184×87=280+358-260=159×57+141×57=101+48+252=881+532-492=8×3×125=97×47=773+(438+327)=42+222+28+278=8×13×5=33+342+458+27=97×81=445+(455+279)=900÷4÷15=78+307+12+293=97×49=898+37+33=57×16×5=567+98+333=338+914-248=50×49+50=53×35×2=27×4×75=13×75×8=125×7×8=113×72-103×72=660+781-660=79×20+20=68×83-58×83=609-201-399=25×31×4=2×71×5=22+540+360=91×95-95=29×125×8=968-(179+68)=833+292-272=183×89-103×89=49×97+97=357+22+343+68=425+173+375=46×4×25=265+(213+135)=97×102=51×16-16=512+742-112=174×51+26×51=391+83+409=224+18+176+32=730÷2÷5=23×5×8=99×4×25=86×4×25=82×81-82=81×14-71×14=162×49-92×49=876-234-166=71+21+629=360÷5÷8=180×77-90×77=268+265+35+32=380+(45+520)=83×25×2=645-(514+45)=59×79+79=162+(634+738)=2×77×45=417+(683+893)=162×36-72×36=74×97=132+25+175=84×79+84=71×14-14=994-(594+102)=711+10+30+89=4×63×25=591+170+209+30=166×92-86×92=751+312-251=331+291+109+69=223+90+410+277=125×37×8=90×31-20×31=475+356+125=108×29-38×29=17×25×4=95×84-85×84=759+(941+461)=950-(50+493)=129×93-89×93=73×125×8=658+209-158=37×5×12=25×17×4=113×82-33×82=46×81-46=240+363-230=77×2×45=125×51×8=29×92+92=128+251+372=740-34-166=72×63+18×63=14×27×5=2×51×45=4×23×25=71×25×2=724-(214+324)=55×51-55=3×8×125=101×28=392+103+108+297=661+476-456=287+242+58+13=707+(762+593)=539-291-109=140×90-130×90=307+58+193+22=55×103=12×98=97×91-97=76+277+624+23=59×29+29=842-761-39=16+566+134=4×19×25=91×2×15=99×64=45×51-45=11×5×12=611+(324+789)=162×82-152×82=262+233+67+38=79×15×4=21×85-85=33+35+35+467=693+(54+807)=71×69+71=10×29+10=888-(788+20)=2×81×15=930÷5÷6=215+527+85=135+399+301=145×79-115×79=31+318+82+39=57×5×18=18×19+18=41+666+34=99×15=73×99=469+32+468=73×14×5=542-54-26=29×25×4=228+39+461=940÷2÷5=601-24-476=82×91-82=61×91-61=250÷25÷2=700÷5÷14=61×85-85=604+(739+396)=604+(496+659)=18×75+82×75=722+31+39+78=27×25×12=274+127+573=101×17=79+573+27=36×39+36=4×82×25=650÷5÷2=25×23×2=839-(243+339)=101×99=14×52+66×52=57×25×2=159+94+206+141=332-(62+32)=271+164+236=125×11×8=64×89+64=282-(202+31)=41+244+356+359=58+497+103=103×27=721+48+79+32=參考答案81×21-81=162013×15×6=1170185+(15+908)=1108245-(10+185)=50631+271-271=631893-232-68=5938×8×125=8000150÷2÷5=15963+898-898=96371×83-83=5810959+(197+41)=119786+311-66=331119×50-59×50=300034+25+36+875=970891+422-392=921987-62-838=87367+150+33+50=600500÷2÷5=50199+439+101=739174×42-164×42=42089×94+94=8460186+(700+614)=1500892-(687+92)=11331×125×8=3100047×4×25=470061×77-77=462025×93×2=465091×74-74=666029×101=2929572-17-73=48249+56+41+34=180172×36+28×36=720088×71-88=6160402+768-322=84811+472+59+228=770134×18-84×18=90032×79+168×79=1580056+518+24=598434+19+366+51=87039×76+76=30402×31×35=2170885-(585+210)=9032×20+168×20=4000131×29+69×29=580060×10-10×10=50027×99=267316×82+44×82=4920260-(200+28)=3228×49+28=1400564-203-197=16459×64+64=3840321-15-15=291385+456+15=856659+447-159=94799×21-99=198025×59×4=5900638-115-485=38196×61+104×61=183005×81×18=729027×16+23×16=80066×61-66=396083×38-63×38=760416-322-78=1619+119+381+481=1000116+163+137+84=50083×95+17×95=95006×8×125=6000650-105-395=150545-(41+45)=45967×101=6767900÷5÷6=30647-212-388=47967-575-325=67121×75-61×75=450012×97×5=5820560÷35÷2=825+26+64+35=150210÷14÷5=3125×97×8=9700024+40+676+60=800918+(894+382)=2194124×61-54×61=4270165-(36+125)=4271-45-45=18171×17-17=119076×21-76=152099×25×4=990097×85=8245328+(205+472)=100589×10+181×10=270079×5×2=790102×64=6528300÷25÷2=6232+490+110=832196×92-156×92=3680360÷6÷15=421×29+21=63079+78+422+21=600131×19+69×19=3800332+366+268=96650+(150+685)=8852×81×45=729077+389+511=9772×13×45=117095×25×4=9500470÷5÷2=4793+546+354=99371+345+19+555=990604-48-42=51495+58-55=9834×59+34=204097×54=5238114×73-24×73=657039×95+95=3800320÷5÷16=437×21-37=740570÷6÷5=19448-(60+368)=2090×23+110×23=4600263+243+357=863180÷6÷5=612+565+58=635610-92-208=310208+373+92+227=900110×98+90×98=1960095+460+340+105=100014×33×5=2310263+(218+637)=111890×52+110×52=10400984-(184+430)=370835+824-735=924536+56+264=856105×63-15×63=56708×27×25=5400122+19+11=152808+(92+600)=1500180÷2÷5=18640÷4÷5=3235×25×4=350014+192+16+308=530986-389-11=586998-(494+398)=10621×65-65=130033+121+27=181518+13+382+37=95087+(513+295)=895806-268-532=673+64+536=67353×12×5=318068×59+68=408041×16×5=32805×125×8=500049×61+61=305018×29+18=540984-(284+561)=139478-224-76=17819×70+70=1400316-(256+50)=1039×29+39=1170200÷5÷4=10583-177-23=383616-516-84=16618+33+67=71848+187+313+352=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