0.07÷0.7= 0.15×4= 3.4×0.6= 0.7×0.33×0=
0.01×0.2= 5.4÷0.06= 33.5÷5= 13.6÷0.2÷5=
①3.01÷7=
②280.8÷24=
③2.7×0.43=
④19.24÷5.2= 验算
①5.5×8.2+1.8×5.5
②0.25×0.89×4
③4.8×0.98
④23.4÷5.2×3.2