口算.0.25×8= 5.6×99= 18.45÷9= 3×0.32= 0.64÷0.4= 2.7÷0.3= 0.4×0.02= 3.5+7.6= 1.
口算.0.25×8=5.6×99=18.45÷9=3×0.32=0.64÷0.4=2.7÷0.3=0.4×0.02=3.5+7.6=1.23÷3=2.4×2.5=16÷1...
口算.0.25×8= 5.6×99= 18.45÷9= 3×0.32= 0.64÷0.4= 2.7÷0.3= 0.4×0.02= 3.5+7.6= 1.23÷3= 2.4×2.5= 16÷1.6= 0.9÷0.01=
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