文档介绍：二年级数学脱式计算题脱式计算77-46+3265-38+2679+19-5669-(39-23)========(2+7)×8945-424819-805797-53748-352475-388============(58-34)÷884-27+164+27-1699+(25-24)========6×(2+6)453-158935-362 725-647   807-369842-379============三、口算24÷4=7+63=9×4=36÷6=9×7=56÷8=28+6=7×5=36+4=30÷5=21÷3=36÷4=18÷2=63÷7=9×6=25+23=12+35=27+71=46+33=40÷8=63÷9=64÷8=38+16=45÷5=7÷1=72-40=47+8=14+85=61+27=170+20=————————————————————————————————————————————————————————————————————————————脱式计算3×9×393+23+944×6+720÷4+5========6×8+5345-178623-158480-324758-379 536+89 ============(75-18)×777-76+3261-38+269×6+4========10+5×4728-353972-85357-184   220-126168+240============三、口算21+15=36+22=59+18=72+24=41-29=8×2=7+56=56÷7=12÷6=4×2=49÷7=6×9=56-30=35÷5=27+25=44-9=72+16=43+32=35-8=56÷7=21-7=7×3=8÷8=32÷4=80-9=7+56=56÷7=12÷6=4×2=脱式计算77-76+3261-38+2679+19-1618-36+2730+(23-29)945-424=819-805=797-53=748-352=475-388= ==========(73-23-493-(39-23)71-(25-24)87-27+1699-46+32453-158= 935-362= 725-647=   807-369= 842-379= ==========三、口算24÷4=7+63=9×4=36÷6=9×7=56÷8=28+6=7×5=36+4=30÷5=83-29=5×6=43-17=21+27=32÷8=25+23=12+35=27+71=46+33=40÷8=63÷9=64÷8=38+16=45÷5=7÷1=5×9=7×7=73+16=60+300=10÷5=————————————————————————————————————————————————————————————————————————————脱式计算二、列竖式计算59-36+29 94-29+96 30-(23-29)93-23+9471-(25-24)5778-27795778+27794581+37196000-57621436-754 ==========33-(39-23) 99-(25-24)99-96+3269-39+2687-27+16786+3246020-56473375-18687419-68596753-3869 ==========口算()×6=3042÷7=35-6=28÷7=()×8=489+46=9÷3=9÷9=58+32=80-28=9+46=9÷3=9÷9=58+32=80-28=9×9=46+10=65+40=81÷9=55-20=21÷3=36÷4=18÷2=63÷7=9×6=44-9=72+16=43+32=35-8=56÷7=脱式计算二、列竖式计算99+99-966×2+77×(45÷5)19+9×616÷2×7654+132=492-463=936-906=297+516=678-97===========(19+2)÷3(36÷4)+2732÷4+1629-4×242÷6×7 352-238=399+509=247+274=577+61=15+463===========三、口算33+60=54÷6=40÷8=()×4=2061-13=72-40=47+8=14+85=61+27=170+20=83-29=5×6=43-17=21+27=32÷85×9=7×7=73+16=60+300=10÷5=15÷5=9×3=42-15=18÷9=180-60=25+23=12+35=27+71=46+33=40÷8=————————————————————————————————————————————————————————————————————————