问题 解答题

用简便方法计算下面各题.

(1)0.45×9.67-4.67×0.45

(2)37.68-6.44-3.56.

答案

(1)0.45×9.67-4.67×0.45

=0.45×(9.67-4.67)

=0.45×5

=2.25;

(2)37.68-6.44-3.56

=37.68-(6.44+3.56)

=37.68-10

=27.68.

单项选择题
单项选择题 A2型题