三年级数学口算题.道

40-2=70+90=70+2=140-7=70+50=421D7D52+35=720D8=9D799D9D799 二 80D4=26+9=45D28D160-60=160D8=150+40=2100D3=50D80=28D7=500D4=24D8=12D20=35D5=50D5D3D800D420D7D3D220D480D4D58D33D420D20D93D3D880D4D1200D200D11D7D80D46D82D9D45+45=50D90=42D98D5D5+52 二90+30=90+40=170-90=110-30=50+80=110-80=50+90=400+300=21D30D660D6D65D10D540D6D22D40D80D80D10D47D30D70D0D93D600D6D10D36D660D3D43D38D720D8D36D56D23D30D10D73D90D50D800D8D6000D2000D120D4D640D2D52D94D250D5=63D9=280D4=50D50=810D9=300D6=25+41=140D7=20D31=90-65=52D44D74D54D41D75D40D70D131D6D900D3D57D29D125D2D4D9D6=90D9=1600D2=71-68=600D1=1500D3=9D300=3D200D620D2D660D2D640D8D880D4D7500D500D0D91D12D4D3D31D58D26D700D5D0D93D120D4D41D20D640D2D0D97D7000D3990D30D50D360D9D30D30D75D18D44D2D10D47D600D700D960D3D30D23D210D7=32D2D660D6D3D8=2D440D5900D5000D80D2=460D2D11D40D40D10=70D500D70D40D180D3=3D33D10D36D80D99D280D4D6000D2000D280D4=9D400D80D80D90D100=3D330D29D14D8D1D8=690D3D80D50D20+90 二11D40D200D4D80+20=900D5D36D56D130-2=67D49D88D10D310D3D200D4D600D6D390D3D8000D1000D22D30D230D3D20D24D400D600D11D4D57D29D34D29D82D55D540D6D800D8D310D3D10D73D21D30D720D9D10D58D720D8D4700D700D0D49D33D30D600D3D34D20D32D20D48D28D80D90D87D10D641D8D30D70D500D40D480D8D120D4D22D40D7D50D640D8D440D4D880D8D720D9D33D20D879D8D10D34D320D4D9D500D65D10D83D9D80D17D660D3D77D29D54D28D42D3D1700D800D90D3D180D3D300D5D930D3D800D4D60D15D900D3D450D9D360D6D37D56D32D3D70D7D1200D715D299D6D50D7D0D37D53D14D17D27D840D4D2D14D140D2D660D6D7D800D7D700D840D2D430D2D540D9D31D3D13D3D34D56D96D3D2D330D50D6D159D4D620D2D6D800D960D3D1500D903D1807D800D63D3D26D57D800D8D33D57D600D3D37D8D480D8D630D3D62D33D500D500D33D2D800D2D700D8D0D47D560D7D440D4D93D3D24D2D0D54D23D3D12D30D7D80D48D10D40D40D40D10D89D3D562D7D241D2D30D(3-1)U24D2-3D0D54D(23-3)D3D13D30D7D81D53D10D60D70D23D30D60D50D70D80D10D68D40D50D30D21D7D11D50D70D24D2D30D70D10D74D50D10D70D11D30D40D24D20D12D20D30D21D20D70D28D1D20D13D1D36D10D19D11D50D30D30D28D10D20D50D10D36D30D33D21D40D50D70D86D47D12D10D800D7D5D90D31D2D723D9D22D30D14D20D10D89D6D500D6D90D69D10D8D...