计算下面各题,能简便计算的要简便计算.58+1378-5612-(34-38)47-16310+14617+1113+1117.-数学

题目简介

计算下面各题,能简便计算的要简便计算.58+1378-5612-(34-38)47-16310+14617+1113+1117.-数学

题目详情

计算下面各题,能简便计算的要简便计算.
5
8
+
1
3

7
8
-
5
6

1
2
-(
3
4
-
3
8
4
7
-
1
6
3
10
+
1
4
6
17
+
11
13
+
11
17
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
8
+class="stub"1
3

=class="stub"15
24
+class="stub"8
24

=class="stub"23
24


(2)class="stub"7
8
-class="stub"5
6

=class="stub"21
24
-class="stub"20
24

=class="stub"1
24


(3)class="stub"1
2
-(class="stub"3
4
-class="stub"3
8
),
=class="stub"1
2
-class="stub"3
8

=class="stub"1
8


(4)class="stub"4
7
-class="stub"1
6

=class="stub"24
42
-class="stub"7
42

=class="stub"17
42


(5)class="stub"3
10
+class="stub"1
4

=class="stub"6
20
+class="stub"5
20

=class="stub"11
20


(6)class="stub"6
17
+class="stub"11
13
+class="stub"11
17

=(class="stub"6
17
+class="stub"11
17
)+class="stub"11
13

=1+class="stub"11
13

=1class="stub"11
13

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