45÷13×1745÷(25+34)56÷(47÷911)(2+15)×15.-数学

题目简介

45÷13×1745÷(25+34)56÷(47÷911)(2+15)×15.-数学

题目详情


4
5
÷
1
3
×
1
7
4
5
÷(
2
5
+
3
4
5
6
÷(
4
7
÷
9
11
(2+
1
5
)×15.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
5
÷class="stub"1
3
×class="stub"1
7

=class="stub"12
5
×class="stub"1
7

=class="stub"12
35


(2)class="stub"4
5
÷(class="stub"2
5
+class="stub"3
4
),
=class="stub"4
5
÷class="stub"23
20

=class="stub"16
23


(3)class="stub"5
6
÷(class="stub"4
7
÷class="stub"9
11
),
=class="stub"5
6
÷class="stub"44
63

=class="stub"105
88


(4)(2+class="stub"1
5
)×15,
=class="stub"11
5
×15,
=33.

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