Question

1.2+2.6×0.5用简便方法怎么算？

1.2+2.6×0.5，用简便方法怎么算？

Answer 1

见图

Answer 2

Answer 3

1.2+2.6×0.5
=1.2+1.3
=2.5 按顺序先乘法再加法。

Answer 4

用色即是空考试