[2.1+7÷(3112-1.625)]×113.-数学

题目简介

[2.1+7÷(3112-1.625)]×113.-数学

题目详情

[2.1+7÷(3
1
12
-1.625)]×1
1
3
题型:解答题难度:中档来源:不详

答案

[2.1+7÷(3class="stub"1
12
-1.625)]×1class="stub"1
3

=[2.1+7÷(3class="stub"1
12
-1class="stub"5
8
)]×1class="stub"1
3

=(2.1+7÷class="stub"35
24
)×1class="stub"1
3

=(2.1+7×class="stub"24
35
)×1class="stub"1
3

=(2.1+class="stub"24
5
)×class="stub"4
3

=2.1×class="stub"4
3
+class="stub"24
5
×class="stub"4
3

=2.8+6.4,
=9.2.

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