计算下面各题,怎样算简便就怎样算.110÷320-58×2558-625÷25+1418×59+49÷8[56-(12-13)]×910.-数学

题目简介

计算下面各题,怎样算简便就怎样算.110÷320-58×2558-625÷25+1418×59+49÷8[56-(12-13)]×910.-数学

题目详情

计算下面各题,怎样算简便就怎样算.
1
10
÷
3
20
-
5
8
×
2
5

5
8
-
6
25
÷
2
5
+
1
4

1
8
×
5
9
+
4
9
÷8

[
5
6
-(
1
2
-
1
3
)]×
9
10
题型:解答题难度:中档来源:不详

答案


(1)class="stub"1
10
÷class="stub"3
20
-class="stub"5
8
×class="stub"2
5

=class="stub"2
3
-class="stub"1
4

=class="stub"5
12


(2)class="stub"5
8
-class="stub"6
25
÷class="stub"2
5
+class="stub"1
4

=class="stub"5
8
-class="stub"3
5
+class="stub"1
4

=class="stub"1
40
+class="stub"1
4

=class="stub"11
40


(3)class="stub"1
8
×class="stub"5
9
+class="stub"4
9
÷8

=class="stub"1
8
×class="stub"5
9
+class="stub"4
9
×class="stub"1
8

=class="stub"1
8
×(class="stub"5
9
+class="stub"4
9
),
=class="stub"1
8


(4)[class="stub"5
6
-(class="stub"1
2
-class="stub"1
3
)]×class="stub"9
10

=[class="stub"5
6
-class="stub"1
6
class="stub"9
10

=class="stub"2
3
×class="stub"9
10

=class="stub"3
5

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