4-45÷4-45.-数学

题目简介

4-45÷4-45.-数学

题目详情

4-
4
5
÷4-
4
5
题型:解答题难度:中档来源:不详

答案

4-class="stub"4
5
÷4-class="stub"4
5

=4-class="stub"1
5
-class="stub"4
5

=4-(class="stub"1
5
+class="stub"4
5
),
=4-1,
=3.

更多内容推荐