递等式计算.1625×34÷310215÷[1-(15+13)].-数学

题目简介

递等式计算.1625×34÷310215÷[1-(15+13)].-数学

题目详情

递等式计算.
16
25
×
3
4
÷
3
10

2
15
÷[1-(
1
5
+
1
3
)]
题型:解答题难度:中档来源:不详

答案

(1)class="stub"16
25
×class="stub"3
4
÷class="stub"3
10

=class="stub"16
25
×class="stub"3
4
×class="stub"10
3

=class="stub"8
5


(2)class="stub"2
15
÷[1-(class="stub"1
5
+class="stub"1
3
)]

=class="stub"2
15
÷[1-class="stub"8
15
],
=class="stub"2
15
÷class="stub"7
15

=class="stub"2
7

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