用递等式计算,能简算的要简算14×75-624÷39(7.6-3.6÷2)×1.545-13÷71557÷9+47×1923+(56-34)÷38711÷[25-(1-710)].-数学

题目简介

用递等式计算,能简算的要简算14×75-624÷39(7.6-3.6÷2)×1.545-13÷71557÷9+47×1923+(56-34)÷38711÷[25-(1-710)].-数学

题目详情

用递等式计算,能简算的要简算
14×75-624÷39
(7.6-3.6÷2)×1.5    
4
5
-
1
3
÷
7
15

5
7
÷9+
4
7
×
1
9
      
2
3
+(
5
6
-
3
4
3
8
       
7
11
÷[
2
5
-(1-
7
10
)]
题型:解答题难度:中档来源:不详

答案

(1)14×75-624÷39
=150×7-208÷13,
=1050-16,
=1034;

(2)(7.6-3.6÷2)×1.5
=(7.6-1.8)×1.5,
=5.8×1.5,
=8.7;

(3)class="stub"4
5
-class="stub"1
3
÷class="stub"7
15

=class="stub"4
5
-class="stub"1
3
×class="stub"15
7

=class="stub"4
5
-class="stub"5
7

=class="stub"3
35


(4)class="stub"5
7
÷9+class="stub"4
7
×class="stub"1
9

=class="stub"5
7
×class="stub"1
9
+class="stub"4
7
×class="stub"1
9

=(class="stub"5
7
+class="stub"4
7
)×class="stub"1
9

=class="stub"9
7
×class="stub"1
9

=class="stub"1
7


(5)class="stub"2
3
+(class="stub"5
6
-class="stub"3
4
÷class="stub"3
8

=class="stub"2
3
+class="stub"1
12
×class="stub"8
3

=class="stub"2
3
+class="stub"2
9

=class="stub"8
9


(6)class="stub"7
11
÷[class="stub"2
5
-(1-class="stub"7
10
)]

=class="stub"7
11
÷[class="stub"2
5
-class="stub"3
10
],
=class="stub"7
11
÷class="stub"1
10

=class="stub"7
11
×
10,
=class="stub"70
11

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