计算下面各题.(25+59×6)÷815[14-(45-34)]÷325(12-14)÷(15+12)12÷(14+35)×35.-数学

题目简介

计算下面各题.(25+59×6)÷815[14-(45-34)]÷325(12-14)÷(15+12)12÷(14+35)×35.-数学

题目详情

计算下面各题.
2
5
+
5
9
×6)÷
8
15
[
1
4
-(
4
5
-
3
4
)]÷
3
25
1
2
-
1
4
)÷(
1
5
+
1
2
1
2
÷(
1
4
+
3
5
)×
3
5
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"2
5
+class="stub"5
9
×6)÷class="stub"8
15

=(class="stub"2
5
+class="stub"10
3
)×class="stub"15
8

=(class="stub"6
15
+class="stub"50
15
)×class="stub"15
8

=class="stub"56
15
×class="stub"15
8

=7;

(2)[class="stub"1
4
-(class="stub"4
5
-class="stub"3
4
)]÷class="stub"3
25

=[class="stub"1
4
-(class="stub"16
20
-class="stub"15
20
)]×class="stub"25
3

=[class="stub"1
4
-class="stub"1
20
class="stub"25
3

=class="stub"1
5
×class="stub"25
3

=class="stub"5
3


(3)(class="stub"1
2
-class="stub"1
4
)÷(class="stub"1
5
+class="stub"1
2
),
=class="stub"1
4
÷(class="stub"2
10
+class="stub"5
10
),
=class="stub"1
4
×class="stub"10
7

=class="stub"5
14


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

=class="stub"1
2
÷(class="stub"5
20
+class="stub"12
20
)×class="stub"3
5

=class="stub"1
2
÷class="stub"17
20
×class="stub"3
5

=class="stub"1
2
×class="stub"20
17
×class="stub"3
5

=class="stub"6
17

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