问题 解答题

计算下面各题.

6.54×1.2-1.87

3.17+0.4×1.6

5.2×0.1×28.5.

答案

(1)6.54×1.2-1.87,

=7.848-1.87,

=5.978,

(2)3.17+0.4×1.6,

=3.17+0.64,

=3.81,

(3)5.2×0.1×28.5,

=0.52×28.5,

=14.82.

单项选择题
单项选择题