三年級數學幾百幾十加減幾百幾十質量練習習題姓名：班級：日期：用時：分鐘得分：720-20=740-550=500-270=710-180=660-270=900-280=300+720=590-270=550-220=220+680=870-380=610-320=360-220=210+840=780-460=330+770=420-170=260+370=90+770=350-50=260+610=30+480=320-290=780-100=580+790=690-300=190-190=250+430=400+760=800-30=170+420=660-620=140+360=890-890=780-390=1000-440=260-90=390-260=750-200=470-210=730-360=730-490=420+650=420+930=190+250=480-40=100+460=530-230=810-300=820-790=510-400=160+380=430+600=430-100=860-840=210+970=590+780=310+860=120+490=970-560=980-410=130+560=140+540=420+630=130+650=160+600=890-440=570-370=280+580=540+860=600+860=710-430=500+880=990-200=650+780=350+790=640-230=90+350=290+400=180+830=840-840=750+810=510+830=370+420=610-370=40+350=870-320=260+1000=840-840=150+230=440+760=300-140=550-160=390-190=600-470=280-40=250+690=780-550=370-160=310+840=730-260=950-630=810-650=270-100=90+1000=630+740=200+740=350+970=940-900=170+830=350-150=880-590=990-420=400-50=830+880=760-390=940-120=960-110=370+970=20+420=260+840=40+240=340-290=220+410=160+360=50+590=710+990=260+360=950-40=30+80=200+620=680-270=540+740=550-90=340+950=670+960=90+670=840-20=780+860=530+710=590+970=590+730=880+900=510+650=930-100=170+980=150+200=390-220=710-60=520+810=950-170=440+770=560-250=450-170=790+910=850-850=250-170=600+930=420+990=640+720=470+550=590+910=40+830=630+850=640+880=650-90=910-910=310+630=20+220=630-200=580+670=600-570=700-500=240+770=590-480=200+870=960-280=290+790=550+980=760-180=570-370=510-460=380-30=770-90=700-240=280+460=230+920=320-170=480-230=760+920=50+480=890-640=710+760=90+460=20+920=290+620=700-540=800-370=40+990=330+870=60+690=250-30=340-90=600+980=700-650=610+730=680+930=770-30=500+770=140+200=300+500=380+500=190+780=870-440=100+590=430+680=340-260=70+990=830-390=610-430=100+930=110+660=810-120=760-150=300+710=60+710=850-540=380+710=690-210=470-240=350-280=760-150=980-680=790+990=940-880=900-670=100+860=170+880=30+670=230-130=20+720=560+650=980-90=460+700=700-670=460+490=900+910=980+990=770-370=540+740=650-30=380-50=780-720=590+850=880-450=220+250=1000-940=590+640=400+760=300+370=820-330=650-440=350-20=580+630=950-430=330-240=230+510=740-560=380+570=600+630=500+750=840-100=820-260=100+290=650-550=830-240=290+520=310+550=870-840=210+780=600+860=250-160=850-320=90-70=390+710=290+590=120+810=510+580=270-20=240-190=340+460=390-390=410+980=560+820=230+370=860-330=570-100=420-370=450+500=290+990=770-670=160-140=360+600=700-500=670-250=690-480=820-450=240+800=760+790=990-900=940-820=550-110=650-80=100+770=910-790=940-290=630-100=140+440=960-250=130+400=780-670=410+560=900-70=880-190=750+790=530-310=940-390=620+720=210-200=920-570=720+930=910-30=600-260=150+440=760-720=690-180=200+920=330-250=560-170=370-90=120+150=150+750=960-680=950+960=300+880=50+450=180+650=230-70=60+760=930-900=630-230=280+590=330+890=450-100=750+920=840-730=940-810=520+890=800-70=620-600=60+960=480-110=770-220=980-170=140-140=620+920=570-490=160+580=950-660=460-270=590-330=520+990=1000-420=780+900=830-820=620-550=810-490=360+860=880-180=70+320=340+400=930-500=870+1000=630+830=280+870=920-60=940-540=450+570=760-410=40+310=80+930=540-410=380+490=70+920=100+980=880-720=580-100=370-310=160+820=680-210=280+330=100+370=170+580=440+540=70+210=860-850=450+830=350+630=190+360=130-40=470+940=90+580=880-580=710+900=110+230=230+450=670+750=730-400=610+880=770-200=40+970=980-900=610-410=140+540=200+330=880-680=630-590=80+990=330-40=120+270=290+550=330+910=790-660=80+400=60+300=580-90=850-770=270+350=200-200=640+770=340+610=840-310=530-440=160+630=920-140=790-440=280-80=660-40=70+160=680-100=90+720=660+900=770-540=420+910=760-320=690-250=450-20=660+890=840-550=220-70=550+920=890-90=200+410=650-590=770-610=380+620=260-220=240+700=40+590=360-140=820-260=350-130=590+760=910-660=770-720=850-70=30+160=740-630=750+780=370+520=60+890=570+620=750-400=80+710=890-370=780+860=700+870=830-180=390-130=430+1000=540+920=960-440=40+330=780-220=340-140=470+530=390-270=830-110=670-200=680+810=740-20=950-340=340+900=950-70=440-230=840-280=820-400=940-560=880-790=470-220=570-410=680-160=600-550=780-580=530+640=30+950=570-20=410+960=630+800=140+960=680-120=880-130=460+910=60+1000=810-290=270+920=610-220=940-500=670-630=230-160=840+870=300+470=300-150=240+450=980-510=220+290=890-840=300-50=250+320=210-130=200-140=730-80=500+780=230+720=790+940=530+540=20+220=920-40=570+880=80+870=960-470=440-170=710-690=790-750=550-60=540+780=750-600=340+870=510+930=560+910=220+730=450-50=140+290=130+760=600+750=780-120=920-290=790-370=640+690=860-410=890+1000=990-140=810-300=490+500=470+480=590+680=360-330=770-190=340-40=450-450=180-90=820+960=950-240=690-90=730+950=900-250=820-240=660-70=960-90=810-190=410-240=180+320=730+940=300+960=290+580=700-240=880-820=90+280=510-230=80+110=290-140=680-330=80+470=950-430=120-50=40-30=490+620=410+650=500-240=560-100=930-900=60+120=20+280=650+770=170+410=890-650=810-700=850-90=350-20=930-40=120+260=170+580=390-30=980-770=610+950=400-160=390-140=790+850=350+400=680-230=30+450=640-200=350+990=710-130=330-90=40+120=510+830=950-250=940-190=710-540=50+320=790-220=310+890=30+630=370+960=90+740=870+990=790+820=690-480=760+780=680+800=340+950=240+500=290-90=980-420=430+960=380-240=890-540=330-50=290-160=550+670=390+440=290+980=910-320=930-910=930-850=220+930=890-210=690-30=540+560=610+790=890+990=460+590=150-150=390+710=440+900=480-180=410+800=800-250=650-480=830-700=240+690=430+820=980-780=300-190=570+640=140+840=920-110=100+240=800-630=280-260=670-470=300+870=580+830=490-310=730+790=680-270=1000-320=900-820=440+760=660-510=610-160=810-260=450+960=470-130=800+930=370+690=140+600=230+440=360+980=930+990=390+780=50+280=140+440=800+950=310+670=150-150=860-360=930-690=910+930=570+610=930-850=470+700=640+810=850-830=130+910=660+880=190+900=550-370=870-190=810-380=980-570=130+670=850-30=80+190=380-220=600+860=190+570=560-210=220+460=280-240=930+980=330+400=690-230=820-290=570-520=610-110=790-120=420+530=790+910=470-190=130+480=700-700=70+850=700+900=880-50=480+970=270+470=440-270=470+480=350-90=900-290=110+380=990-700=620-260=260+800=890-740=220+370=280+320=560-430=260-250=950-400=540+860=420+680=360+640=530+800=930-70=910-640=930-540=830-640=570-560=430+520=180-60=500+790=610-160=610-180=980-140=850-490=150+750=890-820=370+500=550+730=330+850=550+980=530+900=410+910=470-450=950-860=330+850=770-730=40+420=890-730=40+700=300+840=210+930=290+900=1000-880=550+710=70+740=200-200=210+490=150+260=390-80=400+790=230+300=990-800=160+620=720-440=40+260=230+660=870+950=60+830=370+990=970-440=20+660=340+940=280+680=350-100=30+580=870-30=760+900=630-180=850-100=490-400=160+480=710+810=870-570=710-50=340+450=850-230=240+450=520+900=300+540=760-630=1000-990=100+820=360+870=310+940=250+470=550-340=600+860=810-560=330+610=220+380=950-800=890-200=200+560=900-650=420+980=170+910=950-230=400-40=40+960=520+880=690+840=870-760=270+960=420+570=400+690=1000-690=620+790=160+830=140+430=490-170=590+1000=800-390=580-140=840+960=890-550=30+850=60+160=20+650=370-250=570-480=280+830=990-880=980-50=860+880=820-670=180+420=710-300=430+740=480+510=510-490=870-560=710-390=20+760=520+1000=520+980=840-350=440+700=980-790=890-860=210-110=510-350=930-560=760+950=390+850=1000-740=610-310=730-240=70+400=420+610=910-910=160+790=210+230=680+960=930-80=660-50=620-180=110+210=490+560=830-350=540-230=520+890=760+810=940-840=270+550=620-420=300+950=40+170=510-200=190+860=830-810=310+650=480-470=860-220=340-70=290+800=950-640=470+540=780-310=750-550=530-120=950-300=660-640=980-740=820+830=70-60=690-130=610-290=210+270=380-370=730-710=440-200=460+660=90+370=400+860=290+860=900-500=290+680=640+690=330-70=370+990=950+970=240-130=990-740=500+990=100+920=250+830=930-220=120+360=350+910=540-200=620+900=330+790=180+850=120+950=930-790=770-150=720-420=470+590=560+910=50+200=580+920=590+650=650-470=180-160=440+730=780-750=30+630=660+870=900-700=120+410=720-440=690-400=990-400=920-890=840-770=160+770=910-320=710-660=110+350=470-230=540-260=210+810=60+630=640+790=960-700=110+830=450+630=470-140=360+510=340+690=530+770=370+870=150+580=580-510=280+750=180+370=680-100=910-740=570+880=990-630=590-300=130+700=500-210=120+890=290-90=510+600=980-780=560-290=880-880=230-50=910-270=380+570=270+880=230-40=30+610=190+420=550+790=370+910=280+340=160+320=760-670=360+840=490+660=840-580=860-20=310-140=460-340=110+840=910+930=730-600=320+790=580-360=220+610=140+970=590-320=530+1000=580-410=750-560=320+710=330+900=550+870=810-760=590-80=110+270=840-330=780-660=360-190=350-90=340+710=480-310=150-140=890-250=750-200=570+940=780-730=650-230=570-100=160+540=40+250=810-570=460-320=570+870=900-130=330+380=830-730=480-360=330+490=730+740=550+710=650-220=920-520=820-300=560+990=560+670=450+700=440+790=340+620=760-80=890-440=300-270=340-190=910-120=970-570=350+620=490-340=620-510=110+970=420-340=320+830=120+550=160+740=800-390=470+860=570-420=390-280=310+590=720-510=170+530=390+620=480-140=1000-1000=830-40=340+760=360+980=970-240=910-790=850-160=940-250=470+930=860-610=450+790=670-590=220+740=30+790=300+610=410-270=390+780=550+830=130+630=260-130=400-230=890-760=450+730=440+680=620-530=730-400=690-230=950-90=50+470=750-240=970-100=220+490=940-490=680-340=640+960=820-130=950-820=710-700=770-390=890-80=460+610=210+930=100+490=510-420=150+220=780-570=980-400=460-160=150+200=770-40=190+750=40+100=650+950=990-220=70+660=570-220=360-80=700+900=640+840=390+460=860-500=220+680=520-70=160-140=510-110=530+640=50+720=640-110=690-530=140+400=310-210=990-640=1000-890=720-30=210-120=60+780=340-170=120+290=290+630=600+730=630+940=640-310=810-580=630-50=550-400=510-440=820-600=210+350=540+570=780-80=190+770=270+1000=390+610=770-310=690-510=520+600=800-800=360-270=760+860=450-210=560-380=960-760=700-200=170+510=610+770=20+960=30+750=950-610=860-240=770-670=820+940=370-310=90+610=820+960=920-540=310+600=160+960=920-280=400+490=140+770=360-170=800+940=30+140=690-670=740-490=530-340=20+410=550+860=440+1000=630+840=930-270=510-210=90+610=580+680=750-300=680+950=860-550=860-720=700+980=650+780=30+830=720-210=170+180=290-240=350+530=40+400=150-40=100+670=320-30=620-100=900-160=740-280=510+900=750-350=230+350=990-810=350+790=800-780=610+860=170+750=260-130=960-50=560-190=890-210=920-710=880-180=200+320=440+840=50-40=650+780=120+970=600+970=210+520=900-220=610-370=740-730=720+810=40+70=690-610=740-100=300+910=20+450=770-720=710-280=400-190=570-180=440+460=150+530=360+710=500+680=570-520=860-30=930-750=780-150=940-600=400-150=110+460=270+380=370-280=370+910=160+190=1000-820=500+740=860-660=140+960=430+820=370+790=310-300=270+570=140+330=390+570=730+890=330+750=50+350=60+330=210+960=160+950=630+800=400+680=270+760=210+330=420+590=650-540=990-660=410+750=70+730=250+690=930-400=660+920=740-430=670-280=80+490=300+950=390+600=630-450=670-480=250-170=410+720=850+950=900-580=930-70=590-460=550-60=540-50=980-330=800-170=610-440=880-240=580-370=890-890=880+910=180+340=580+730=240+870=590-260=860-580=230+760=280+310=800-560=160+430=410-370=950-40=260+760=610-440=570+810=330+500=480+980=550+810=530-110=280+770=60+120=550+900=40+310=400-380=470+940=150+900=100+520=310+320=470+650=420+710=540-440=580-250=970-580=840-30=190+270=850-710=250+950=870-820=630+780=150+250=130+910=740-740=80+800=760-200=690+700=110-80=750-610=40+640=680-630=470+930=400-210=690+810=490-150=710-160=700-390=180+570=960-570=170+270=730-320=210+980=120-110=510+790=600-340=840-620=690+780=330+370=280+510=480-220=260+1000=990-460=90+520=700+840=260+320=440+890=60+280=30+610=860-360=920-700=640-560=740-60=740-670=70+120=760-310=780-240=170+510=440-220=880-360=420+930=130+270=770+920=990-450=1000-770=270+740=620-430=800+860=710-190=870+1000=490-150=10+960=580-460=510-190=40-40=40+570=120+990=370+640=150+530=300+760=220+240=400+750=230+720=850-600=450+480=370-240=640-600=470+490=460-40=130+500=810-120=150+590=170+820=750+800=950-610=730+920=80+730=240+510=480+610=650+980=280-120=410+850=830-330=940-440=730+770=510-320=840-630=640-530=860-650=470+840=670-120=830-710=20+730=600-210=740-430=400+460=820-460=410+790=660-330=860-620=740+970=450+590=800-280=590-450=740+820=980-60=120+910=770-770=250+320=890-530=870-370=990-170=1000-580=230+510=460+850=730-50=80+960=970-790=980-590=80+310=320+980=370+520=770-70=340-210=480+920=600+690=480+680=150+240=940+970=310-120=420-120=660-170=300-120=1000-210=330-320=80+340=320-190=990-990=510-330=860-280=220+800=260-180=330+340=470+510=750-130=830-740=290-130=420+630=630-300=490+960=420-110=230+890=370-70=750-160=30+830=690-180=650-370=270-40=710-130=410+590=450+620=380+900=210-60=810-470=500-220=780+920=480-340=610+850=930-820=890-610=130+560=770+940=360+750=260+600=80+790=70+360=810-190=450+860=630-160=答案700190230530390620102032033090049029014010503201100250630860300870510306801370390068011607705904050003905601701305502603702401070135044044056030051030110540103033020118013701170610410570690680105078076045020086014001460280138079014301140410440690101001560134079024039055012600380120016039020013024094023021011504703201601701090137094013204010002002905703501710370820850134044011002805063052064017006209101108204101280460129016307608201640124015601320178011608301150350170650133078012103102801700080153014101360102015008701480152056009402404301250302001010110107068010801530580200503506804607401150150250168053025014705509409101604301030120075022025015805013401610740127034080088097043069011108010604401801030770690610101077031010904802307061030017806023096010507001007401210890116030950181019704001280620330601440430470601230116067049021033012105209074018095012301250740560390100590810860309901460905302011008809301090250508000139013806005304705095012801002096020042021037010401550901204405708701206505305807105301109708306901540220550134010350165088034059040510112080390280270900280191011805008301608203040087012203501670110130141073020102037055081001540807402901902601510580168010703201220700390740430187014601150860400102035035010101308709901080160480609804706104707509802801012809805509014106703001610340680142033014905701010802006805302004010702903908401240130480360490806200141095053090790780350200620230580810156023013304404404301550290150147080061060160100040940630220560220135025050780190110153089095011903507905201640157065026014301460520370560200100012072047014907206101240880210560420380902501605205020011709805501370143011005607501370106052011903904404070171077015069047051050250570806065012809501730107024088014509504902702040490132015012101440147095040043089013506606304201330450189085051099095012703058030009017807106001680650580590870620170500167012608704606037028019015035055052070101110106026046030180300142058024011076033089038075036021015602402501640750450480440134058024016013407007501703705701200660133083018601610210154014801290740200560139014035028013012208301270590208011506806601100140018801050011001340300121055017013093012502001101210980810340170202001170141018015204106808012001504505501410340173010607406701340192011703305801750980050024018401180801170145020104015401090180680430410800820270160146076035068040191073046053050500670950170028061009201600830145074017095026061049029036010601505906001301055014001100100013308602703901901095012012904504308403609007087012801180153014301320209011804046016074011401140119012012608100700410310119053019078028030089018208901360530680128096025061084016604507509064015203006607906206901420840130109201230125072021014602509406001506907602501400108072036010001400153011012309901090310141099057032015904104401800340880220670120901110110930174015060041011709902031032078015201500490114019030100160370171012402603004904701030095044016408506104403201050480310141015701008202001250210310105020960106402701090310101047020041065020240165010560320480102024011204601260115040097013302601360192011025014901020108071048012603401520112010301070140620300106014702501500124018020117030660153020053028029059030709305905046024028010206901430260940108033087010301300124073070103055058017014503602908302901010200111020027001806409501150190640610134012