计算.25+35÷9205÷56-56÷5(45-25÷815)×89(23-12)÷(34+23).-数学

题目简介

计算.25+35÷9205÷56-56÷5(45-25÷815)×89(23-12)÷(34+23).-数学

题目详情

计算.
2
5
+
3
5
÷
9
20
5
6
-
5
6
÷5
(
4
5
-
2
5
÷
8
15
8
9
(
2
3
-
1
2
)÷(
3
4
+
2
3
)
题型:解答题难度:中档来源:不详

答案

(1)class="stub"2
5
+class="stub"3
5
÷class="stub"9
20

=class="stub"2
5
+class="stub"3
5
×class="stub"20
9

=class="stub"2
5
+class="stub"4
3

=class="stub"6
15
+class="stub"20
15

=class="stub"26
15


(2)5÷class="stub"5
6
-class="stub"5
6
÷5,
=5×class="stub"6
5
-class="stub"5
6
×
class="stub"1
5

=6-class="stub"1
6

=5class="stub"5
6


(3)(class="stub"4
5
-class="stub"2
5
÷class="stub"8
15
)×class="stub"8
9

=(class="stub"4
5
-class="stub"2
5
×class="stub"15
8
)×class="stub"8
9

=(class="stub"4
5
-class="stub"3
4
)×class="stub"8
9

=(class="stub"16
20
-class="stub"15
20
)×class="stub"8
9

=class="stub"1
20
×class="stub"8
9

=class="stub"2
45


(4)(class="stub"2
3
-class="stub"1
2
)÷(class="stub"3
4
+class="stub"2
3
),
=(class="stub"4
6
-class="stub"3
6
)÷(class="stub"9
12
+class="stub"8
12
),
=class="stub"1
6
÷class="stub"17
12

=class="stub"1
6
×class="stub"12
17

=class="stub"2
17

更多内容推荐