47+38-(37+38)-数学

题目简介

47+38-(37+38)-数学

题目详情

4
7
+
3
8
-
3
7
+
3
8
题型:解答题难度:中档来源:不详

答案

class="stub"4
7
+class="stub"3
8
-(class="stub"3
7
+class="stub"3
8
),
=class="stub"4
7
+class="stub"3
8
-class="stub"3
7
-class="stub"3
8

=(class="stub"4
7
-class="stub"3
7
)+(class="stub"3
8
-class="stub"3
8
),
=class="stub"1
7
+0,
=class="stub"1
7

更多内容推荐