计算下面各题.(12-14)×4013×34+3÷43+34[2-(13+85)]÷21512+(37×16÷528)(12-14)÷(12+14)36×[23-(112+16)].-五年级数学

题目简介

计算下面各题.(12-14)×4013×34+3÷43+34[2-(13+85)]÷21512+(37×16÷528)(12-14)÷(12+14)36×[23-(112+16)].-五年级数学

题目详情

计算下面各题.
(
1
2
-
1
4
)×40
13×
3
4
+3÷
4
3
+
3
4
[2-(
1
3
+
8
5
)]÷
2
15
1
2
+(
3
7
×
1
6
÷
5
28
)
(
1
2
-
1
4
)÷(
1
2
+
1
4
)
36×[
2
3
-(
1
12
+
1
6
)]
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"1
2
-class="stub"1
4
)×40
=class="stub"1
2
×
40-class="stub"1
4
×40
=20-10
=10;

(2)13×class="stub"3
4
+3÷class="stub"4
3
+class="stub"3
4

=(13+3+1)×class="stub"3
4

=17×class="stub"3
4

=12class="stub"3
4


(3)[2-(class="stub"1
3
+class="stub"8
5
)]÷class="stub"2
15

=[2-class="stub"29
15
]÷class="stub"2
15

=class="stub"1
15
÷class="stub"2
15

=class="stub"1
2


(4)class="stub"1
2
+(class="stub"3
7
×class="stub"1
6
÷class="stub"5
28

=class="stub"1
2
+(class="stub"1
14
÷class="stub"5
28

=class="stub"1
2
+class="stub"2
5

=class="stub"9
10


(5)(class="stub"1
2
-class="stub"1
4
)÷(class="stub"1
2
+class="stub"1
4

=class="stub"1
4
÷class="stub"3
4

=class="stub"1
3


(6)36×[class="stub"2
3
-(class="stub"1
12
+class="stub"1
6
)]

=36×[class="stub"2
3
-class="stub"1
4
].
=36×class="stub"2
3
-36×class="stub"1
4

=24-9
=15.

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