计算下面各题.[1-(14+38)]÷1416×23÷(45-815)1516+(716-14)÷1212÷[(56-13)×6].-数学

题目简介

计算下面各题.[1-(14+38)]÷1416×23÷(45-815)1516+(716-14)÷1212÷[(56-13)×6].-数学

题目详情

计算下面各题.
[1-(
1
4
+
3
8
)]÷
1
4
1
6
×
2
3
÷(
4
5
-
8
15

15
16
+(
7
16
-
1
4
)÷
1
2
12÷[(
5
6
-
1
3
)×6].
题型:解答题难度:中档来源:不详

答案

(1)[1-(class="stub"1
4
+class="stub"3
8
)]÷class="stub"1
4

=[1-class="stub"5
8
class="stub"1
4

=class="stub"3
8
÷class="stub"1
4

=class="stub"3
2


(2)class="stub"1
6
×class="stub"2
3
÷(class="stub"4
5
-class="stub"8
15
),
=class="stub"1
6
×class="stub"2
3
÷class="stub"4
15

=class="stub"1
9
×class="stub"15
4

=class="stub"5
12


(3)class="stub"15
16
+(class="stub"7
16
-class="stub"1
4
)÷class="stub"1
2

=class="stub"15
16
+class="stub"3
16
÷class="stub"1
2

=class="stub"15
16
+class="stub"6
16

=class="stub"21
16


(4)12÷[(class="stub"5
6
-class="stub"1
3
)×6],
=12÷[class="stub"1
2
×6],
=12÷3,
=4.

更多内容推荐