Question

6.38-(2×0.44×1.38）怎样简便运算？

Answer 1

先乘除后加减
有括号的先算括号内的
括号内=0.88*1.38=1.2144
6.38-1.2144=5.1656

Answer 2

直接计算

=6.38-1.2144
=5.1656

Answer 3

你确定括号里是乘法，，那么这题就没法怎么简算。