计算:34÷(2.5-14)+512×315.-数学

题目简介

计算:34÷(2.5-14)+512×315.-数学

题目详情

计算:
3
4
÷(2.5-
1
4
)+
5
12
×3
1
5
题型:解答题难度:中档来源:不详

答案

class="stub"3
4
÷(2.5-class="stub"1
4
)+class="stub"5
12
×3class="stub"1
5

=class="stub"3
4
÷(class="stub"5
2
-class="stub"1
4
)+class="stub"5
12
×class="stub"16
5

=class="stub"3
4
÷class="stub"9
4
+class="stub"5
12
×class="stub"16
5

=class="stub"1
3
+class="stub"4
3

=1class="stub"2
3

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