2÷(15+13)×415.-数学

题目简介

2÷(15+13)×415.-数学

题目详情

2÷(
1
5
+
1
3
)×
4
15
题型:解答题难度:中档来源:不详

答案

2÷(class="stub"1
5
+class="stub"1
3
)×class="stub"4
15

=2÷class="stub"8
15
×class="stub"4
15

=2×class="stub"15
8
×class="stub"4
15

=1.

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