8.25×3.2÷7.2的简便计算
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8.25×3.2÷7.2的简便计算8.25×3.2÷7.2的简便计算8.25×3.2÷7.2的简便计算8.25×3.2÷7.2=8.25×8×0.4÷8÷0.9=8.25×0.4÷0.9=33÷0.9
8.25×3.2÷7.2的简便计算
8.25×3.2÷7.2的简便计算
8.25×3.2÷7.2的简便计算
8.25×3.2÷7.2=8.25×8×0.4÷8÷0.9=8.25×0.4÷0.9=33÷0.9=36.666……
=8.25×8×0.4÷8÷0.9
=8.25×0.4÷0.9
=33÷0.9
=36.666……
=9分之330
先将小数化成带分数，再将带分数化成假分数，约分后计算。
8.25×3.2÷7.2
=81/4×31/5÷71/5
=33/4×16/5÷36/5
=33/4×16/5×5/36
=33/9
=3.66666666666666666......