3415×(57-314÷34)-数学

题目简介

3415×(57-314÷34)-数学

题目详情

3
4
15
×(
5
7
-
3
14
÷
3
4
题型:解答题难度:中档来源:不详

答案

3class="stub"4
15
×(class="stub"5
7
-class="stub"3
14
÷class="stub"3
4

=class="stub"49
15
×(class="stub"5
7
-class="stub"3
14
×class="stub"4
3
),
=class="stub"49
15
×(class="stub"5
7
-class="stub"2
7
),
=class="stub"49
15
×class="stub"3
7

=class="stub"7
5

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