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.