2-38÷716-17.-数学

题目简介

2-38÷716-17.-数学

题目详情

2-
3
8
÷
7
16
-
1
7
题型:解答题难度:中档来源:不详

答案

2-class="stub"3
8
÷class="stub"7
16
-class="stub"1
7

=2-class="stub"3
8
×class="stub"16
7
-class="stub"1
7

=2-class="stub"6
7
-class="stub"1
7

=2-(class="stub"6
7
+class="stub"1
7
),
=2-1,
=1.

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