Question

1.25×3.3×0.8，用简便方法计算1.25×3.3×0.8用简便方法计算？

1.25×3.3×0.8，用简便方法计算

Answer 1

1.25×3.3×0.8，用简便方法计亮纯算的过丛键搜程渗历：
1.25×3.3×0.8
=1.25×0.8×3.3 （乘法交换律）
=1x3.3
=3.3

Answer 2

1.25×3.3×0.8
=1.25×0.8×3.3先计算1.25×0.8
=1×3.3
=3.3