能简算要简算.78-512+1610-14-3458+(23-58)-数学

题目简介

能简算要简算.78-512+1610-14-3458+(23-58)-数学

题目详情

能简算要简算.
7
8
-
5
12
+
1
6

10-
1
4
-
3
4

5
8
+(
2
3
-
5
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
8
-class="stub"5
12
+class="stub"1
6

=class="stub"21
24
-class="stub"10
24
+class="stub"4
24

=class="stub"11
24
+class="stub"4
24

=class="stub"5
8


(2)10-class="stub"1
4
-class="stub"3
4

=10-(class="stub"1
4
+class="stub"3
4
),
=10-1,
=9;

(3)class="stub"5
8
+(class="stub"2
3
-class="stub"5
8
),
=class="stub"5
8
-class="stub"5
8
+class="stub"2
3

=0+class="stub"2
3

=class="stub"2
3

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