(23+29)×(58-716)25×34-12÷4[815-(712-25)]×1514.-数学

题目简介

(23+29)×(58-716)25×34-12÷4[815-(712-25)]×1514.-数学

题目详情

2
3
+
2
9
)×(
5
8
-
7
16
2
5
×
3
4
-
1
2
÷4
[
8
15
-(
7
12
-
2
5
)]×
15
14
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"2
3
+class="stub"2
9
)×(class="stub"5
8
-class="stub"7
16
),
=class="stub"8
9
×class="stub"3
16

=class="stub"1
6


(2)class="stub"2
5
×class="stub"3
4
-class="stub"1
2
÷4,
=class="stub"3
10
-class="stub"1
8

=class="stub"7
40


(3)[class="stub"8
15
-(class="stub"7
12
-class="stub"2
5
)]×class="stub"15
14

=[class="stub"8
15
-class="stub"11
60
class="stub"15
14

=class="stub"7
20
×class="stub"15
14

=class="stub"3
8

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