5×4= 6.4÷0.8= 7.2×0.01= 10÷4= 0.36×2= 1÷0.125=0.25×8= 8.1÷0.3= 0.1×0.02= 1.6÷16= 2.4×2.5= 3.2÷1.6=1.5+0.25×4= 3.5+7.6= 3×0.2×0.5=
2.7×0.6= 0.46×3.5= 10.5÷0.75= 10.8÷4.5=
35.2×0.65= 230÷0.46= 20÷32= 2.75×0.13=
用竖式计算,(2)题得数保留两位小数. (1)5.83×4.6= (2)2.7×0.375≈ (3)5.832÷0.18=
1.45×0.68(得数保留两位小数) 1.24÷1.1 7.9÷0.35(得数保留两位小数)
用竖式计算,并且验算.(得数保留两位小数) 0.63÷0.6 3.14×1.2 4.6÷0.38.