问题 解答题

3.2÷0.25×4=3.2÷(0.25×4)=3.2÷1=3.2.______.

答案

3.2÷0.25×4,

=3.2÷(0.25÷4),

=3.2÷(

1
4
×
1
4
),

=3.2×16,

=51.2;

故答案为:错误.

填空题
单项选择题 B1型题