计算.89-56+2323+56-342215-35-23.-数学

题目简介

计算.89-56+2323+56-342215-35-23.-数学

题目详情

计算.
8
9
-
5
6
+
2
3

2
3
+
5
6
-
3
4

22
15
-
3
5
-
2
3
题型:解答题难度:中档来源:不详

答案

(1)class="stub"8
9
-class="stub"5
6
+class="stub"2
3

=class="stub"16
18
-class="stub"15
18
+class="stub"12
18

=class="stub"13
18


(2)class="stub"2
3
+class="stub"5
6
-class="stub"3
4

=class="stub"8
12
+class="stub"10
12
-class="stub"9
12

=class="stub"18
12
-class="stub"9
12

=class="stub"9
12

=class="stub"3
4


(3)class="stub"22
15
-class="stub"3
5
-class="stub"2
3

=class="stub"22
15
-class="stub"9
15
-class="stub"10
15

=class="stub"13
15
-class="stub"10
15

=class="stub"3
15

=class="stub"1
5

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