Question

1.25+0.8×3怎么简算？

Answer 1

简便计算过程方法如下
解：1.25+0.8×3
=1.25+2.4
=3.65

Answer 2

1.25+0.8×3
=1.25+2.4
=3.65

Answer 3

1.25×（3＋0.8）
＝1.25×3＋1.25×0.8
＝3.72＋1
＝4.72