用自己喜欢的方法计算(13+14)÷12425×(97×40%)×7958+57+25×14150+(1-25)+320.-数学

题目简介

用自己喜欢的方法计算(13+14)÷12425×(97×40%)×7958+57+25×14150+(1-25)+320.-数学

题目详情

用自己喜欢的方法计算
1
3
+
1
4
÷
1
24
  
 25×(
9
7
×40%)×
7
9
  
5
8
+
5
7
+
2
5
×
1
4
  
  
1
50
+(1-
2
5
)+
3
20
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"1
3
+class="stub"1
4
÷class="stub"1
24

=(class="stub"1
3
+class="stub"1
4
)×24,
=class="stub"1
3
×24+class="stub"1
4
×24,
=8+6,
=14;

(2)25×(class="stub"9
7
×40%)×class="stub"7
9

=(25×40%)×(class="stub"9
7
×class="stub"7
9
),
=10×1,
=10;

(3)class="stub"5
8
+class="stub"5
7
+class="stub"2
5
×class="stub"1
4

=class="stub"5
8
+class="stub"5
7
+class="stub"1
10

=class="stub"75
56
+class="stub"1
10

=class="stub"403
280


(4)class="stub"1
50
+(1-class="stub"2
5
)+class="stub"3
20

=class="stub"1
50
+class="stub"3
5
+class="stub"3
20

=class="stub"31
50
+class="stub"3
20

=class="stub"77
100

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