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三年级口算练5X900310X3=二484-4=习
(一)2X200=3904-3=・26+9=5409二・84404-91=230X3=11X4=二57-38904-9=二9303390:3七二82-55310X3=1500-700=13X3=二二7204-9=42X2=600X7=0+2283-57=二4700-700=993=120X3=29+68=・7704-7=600348+4802=二68-49=80X7=660^3=28394-3=二8004-4=9604-3=640・85604-8=二330-33X23・二二1809二4804-8=9904-3=644-2=65+15二7X50=8004-8=3X200二58+26=34X2=6604-6=8804-8=・6202二・5505800X8二800X2=9X500=・6602二二・505二80+174202634-3=6408=二七二3X800=54+28160・4800+8804-4=二三年级口算练二4204-7=习
(三)7500-500=700=6904-3=3X220二42X3=099158-0=二4804-4=1700-800=12X42X440二二58+33二904-3=484-2=3X31=420-20=・・・1803300480260X5二二二0X57二・933二2X44=5二120X4=8804-4=8404-4=三年级口算练930・3二0X97=1200-200=4404-4=习
(二)3604-9=11X7=32X3二44X2=80-46=6904-3=・960304-51=二・49+33700二32X20^76=二7二0X85=2X440二23X3=78-36=・704-7=4602二11X4=230X3=14X270+500=二800H-4=150-90=40X50=12X422X30=13X30=二6203-X1350==1800-800=30X21=22X4=・940X0940-3=6337X11=30X80=二二46500X:60926+57800・50X70=33X10=二二二36600X44-06==378二24X2二50X90=+905X6303=2X333+57=30X70=12X40220X3二二10X74=21X407=0X7=600X3=22X40=二二50X10=13200X02-07=00=37+890X40200X3二二二・70X11=34000X90=64804-8=41X20=二三年级口算练习30X40=520XX371==6304-3=62-33=
(五)24X2003X3X3720=500+500二21X30=二二12X20=5430-X1740==33X2=8004-2=10X46=30X21=・1478++2179==84070083X700=二20X70=・704X6=2X14=04-47=33X30=二28X1=・・144X0940-02==5607440420X41=二二20X13=626X0341-06==6X600=・93324X2二二IX36二720+X35800=24X20=二・054二三年级口算练习10X19=74X57+0305=84050X30=二23X3
(四)二11X50=・32X20=20X45=二12X30=30X30=47300XX620==50X70=800X77X8048X10=二28X10=二58440X41-=9=40X40=・60610X89=二20X50=3910X0X36=二40X10=69X10=10X36=1334XX32=0=23X3060X50=二6X500=8X70=30X33二3343+X5360二二70X80=42X20400+二21X40=93614X-230==10X68=300二12X10=27X003X306=二5X90010X33=22X3=60X90=二31X2=5804XX61=0=22X0=39X10=14X20=698X0840-02==80X70=21X244X20二二6X90=67200X43-02==200X4=・02030X12=10X35=二21X40=三年级口算练习29+61=6X60二80X40=
(七)46+2404-73=22X40=10X37二40X70二二42X20=44+20=20X50200030X30二二1004-5=三年级口算练习
(六)+300=50X90=40X40二10X50=8804-2=80X30=43X20二3504-5=70X20=20X14=46+37二52-29=4004-4=90X50=・4206二240X20X66=二4204-6=・3006二52+393004-6=50X30=二40X11=4004-8=240・4640・8880二二4804-8=3604-9=・69X104二二33X30=50X510X34=二22X40=400+300=800X3=40X90二33X20=34+39=36060X50=90X60=・9004-9=6二・410X24907二・二810999X10=二41X20=20X34=6304-9=12X20=310X3=300X3=30X23=30X80二20X23=80X4=330X3=41X20=・65X0=440430X32二0X3097X10二二3304-3=二750-50=7004-7=0X35=250:54804-8=二33X30=680-80=900X5=67-49=500+200=04-59=・200477-48=04331X30=七二二11X80=8000-1000=3004-5=21X30=・2004二20X24300+70043X20X20=二三年级口算练习二二31X20=57+29=
(八)4204-2=75+18=600+90=5404-6=8204-2=23+48=4700-700=10X73=70X11=90X30=44-37=10X58=10X80=80X80=三年级口算练习・04934X20=
(九)二29+14=57+29二80X90=80X50二500+40二30X70=200X4二88X10=120X4=36+56二700X5=・64087209二七88X10=二80X90=6006=10X3465X10二40X70=二22X30=21X30=6603七二400+600=700X5=660:6二34+29二41X20=65X10=・8008二7000-3000=5406=21X30=30X30=22X40=・7208二10X47=80X80=33X30=30X23=660^6=10X47二32X20=5900-5000=30X70=87X10=11X40=7X4004-93=二500+40二10X36=・600622X40二二6000+2000=10X36=4404-4=6604-3=33X20二43+383204-4=二7204-8=9004-3=77-29=36+56二・09323X30=二6404-2=10X73=30X5090X50=二・75+1860080086000+二二+700=2000=40X70=120X4=・640257+29二二540H-6=6004-6=27X3=4X250=22X30=904-15=6004-4=10X73=400+600=48+45X128二二10X58=04-49=・34+2964016310-70=二二34X20=・・8008393400X14=二二80X90=21X30=24X20=470+180=30X70=・720832X3=10004-5=二120X4=33X30=484-16=160X600=32X20=12X8=2X420=6404-8=87X10=27X3=29X300=720H-9=・500+40=56+148103二二10X34二・・22X40=2487602二二65X10=4404-4=14X2=7604=660H-3=33X20=83-45=680+270=700X5=3204-4=5604-80=9804-4=・41X20=9003964-4=42004-3=二・77-2940206X130=7000-3000=二二04-93=40X301300X50=二30X30=6404-2=37+26200X48二二10X47=30X5076-39=930-660=二30X23=75+18=605+59=530+280=6604-6=600+700=30X23=92004-4=5900-5000=40X70=12X8=8404-1=43+3827+32180X5=11X40=二二90X50=48+278005二七二70X40=・84-65=4500X21902二二10X36=43-16=73+15=200X160=80X80=三年级口算练・10X80=87003二6000+2000=6404-80=(H)300X330=习^一29+14=15X5=120X6=3X1400=80X50=23X3=20X367004=二・480:8068X406002200X4=二二二・16X5280+2709608二二二36+56=88X10=三年级口算练习
(十)14X300=・880040・9608二750-290=5X490二760X2=7504-5=370X2=630^3=860-420=240X4二15X10=12X11=160X30=220X40=104X5=・4505二120X2二90+30=2704-30=270X30=・842二7384-9=。
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