人教版二年级数学下册口算练习题与答案.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,58-36=89+21=420+80=,432=4600+4700=273+6=99=,280+450=279=43-30=81=,420+80=64-8=96-42=730-190=,78+15=27-3=819=82=,3200+5100=124+18=328=,255+36=,22,730,9300,6,93,3,13,81,15,56,21,500,8300,24,93,4,9,540,8,54,500,41,4,484=280+450=648=48-5=,1800-900=96-42=497+7=5+58=,4900-1800=124+18=58-36=64-8=,1200-400=280+450=1200-400=99=,43-30=83-20=81=280+450=,65+37=,28,27,67,900,730,800,8,13,800,3100,54,63,730,81,730,63,21,22,14,8,56,42+13=53+8=843=80-44=,800+900=34+9=64-8=77=,213=3700-370=800+900=53+8=,800+900=255+36=65+37=280+450=,84+7=567-3=700-200=60+600=,55,7,1700,91,43,61,6,36,56,1,3330,1700,61,67,41,5,730,660,500,1700,400-300=80+70=180-90=700-60=,60+600=180-90=30+60=40+80=,700-100=100-20=1800+200=900+800=,240-180=1400-600=2100-700=6600-600=,300+1000=280+450=1800-900=490-180=,90,640,120,90,90,660,600,80,2000,1700,60,800,1400,900,730,6000,1300,310,150,100,1200-400=800+1100=48-5=,124+8=65+30=89+21=,324+10=35+35=64-8=648=,7000+3000=84+48=5+58=243=,3700-3000=8500-5500=7(213)=,40(26)=72(24)=990=,497+7=486+5=,800,1900,60,11,18,10000,700,5,50,8,56,50,63,8,3000,49,9,0,13,14,93,27,21+82-60=36+34-14=73+12-71=,21+82-60=44-5+12=100-76+22=,72-45+32=54-21-18=67-47+22=,21+82+17=83-27+10=54+21-18=,65-33-18=68-65-3=54-52+17=,88-51-24=76-63+1=63+18+11=,65+15-47=77-34+55=43-29+13=,43,59,120,14,13,33,98,14,0,66,15,51,56,14,46,42,57,19,92,27,43,35-(28-28)=77-38+42=60-34+35=,17+(27-10)=55+(38-15)=54-41+36=,99-88+77=75+15-30=92-6+11=,42-37+54=77-64+22=12+(29-19)=,6910-36=27+12-28=67+27-37=,33-17+15=75-(36+10)=72-54+12=,65-(39-15)=62-18+24=54+21+18=,35,34,88,43,59,31,41,68,29,11,35,60,78,81,61,49,97,22,57,30,93,53-(29+19)=35+12-28=86-12-15=,57-33+31=36-27+9=77-19-16=,88-34+18=85-36+27=12+79-62=,51-27+28=51-42+53=77-(65-6)=,71-52+36=75-(24+26)=75+(24-23)=,32+(45-38)=81-45+36=24-16+40=,63+12-42=53-(37+15)=63-(23+28)=,5,55,72,52,55,39,33,19,18,76,62,25,72,1,59,42,29,18,76,48,12,1800+200=900+800=240-180=,1400-600=2100-700=6600-600=,300+1000=280+450=1800-900=,490-180=1200-400=800+1100=,48-5=497+7=124+8=,65+30=89+21=486+5=,324+10=35+35=48-26+18=,2000,800,1300,310,27,60,18,1700,730,1400,800,14,93,50,60,6000,900,1900,11,13,40,64-8=48=77=213=,700-200=60+600=400-300=80+70=,180-90=700-60=60+600=180-90=,30+60=40+80=700-100=100-20=,84+48=497+7=124+18=,255+36=427=843=,567-3=65+37=851=,56,90,90,50,640,6,41,120,14,660,90,600,80,85,21,6,67,32,1,7,150,100,660,500,5,45+4=38+4=49+3=76+6=,65+7=38+5=56+8=53+5=,35+9=25+3=64+4=49+5=,48+2=93+3=86+8=62+6=,33+8=78+5=9+99=100-89=,17,28,37,34,24,29,24,30,90,13,28,18,41,20,48,61,56,28,38,39,45+5=11=55=728=99=,248=147=61=153=362=,42=62=62=105=242=,497=102=546=204=496=,213=36=93=90-45=244=,155=279=99=729=342=,010=06=1000=350=2173=,50,3,0,0,0,0,3,81,3,2,4,25,2,5,45,8,6,6,6,9,7,18,7,5,3,12,5,9,2,9,6,9,1,1,3,364=55=56+41=567=162=,426=82=51=45-39=363=,246=567=366=243=45=,273=84=568=369=366=,455=66=126=14=186=,18=248=366=486=468=,9,8,4,3,1,2,5,6,7,2,8,6,6,8,20,4,3,6,4,3,8,3,7,4,8,9,9,97,1,8,546=77=51=16=568=,217=287=73=357236=,427=459=306=497=92=,567=648=246=637=85-8=,43=168=728=27=99=,279=57=189=83=8193=,9,3,1,4,35,2,8,5,21,5,2,9,4,6,5,7,9,14,24,7,1,18,32,1,3,3,6,8,12,5,729=819=91=189=11=,426=248=364=637=1824=,25=546=2(244)=7+63=,94=,366=97=568=28+6=,012=,75=36+4=305=639=648=,38+16=455=71=836=204=,8,40,3,9,63,9,9,7,6,7,9,9,12,2,1,9,36,70,36,34,0,7,4,8,5,7,10,6,35,54,