问题 解答题

计算下面各题.

13.8×4.5+6.2

8.032+12.6÷0.4

21.3×1.8-16.39

153÷0.51÷3.

答案

(1)13.8×4.5+6.2

=62.1+6.2

=68.3

(2)8.032+12.6÷0.4

=8.032+31.5

=39.532

(3)21.3×1.8-16.39

=38.34-16.39

=21.95

(4)153÷0.51÷3

=300÷3

=100.

单项选择题 共用题干题
单项选择题