问题 解答题

把不对的地方改正确.

(1)0.78×1.32-0.32

=0.78×1

=0.78.

(2)3.5+2.5×1.42

=6×1.42

=8.52.

答案

改正:

(1)0.78×1.32-0.32

=1.0296-0.32

=0.7096;

(2)3.5+2.5×1.42

=3.5+3.55

=7.05.

单项选择题 A1/A2型题
问答题 简答题