25+(67+335)×7.-数学

题目简介

25+(67+335)×7.-数学

题目详情

2
5
+(
6
7
+
3
35
)×7
题型:解答题难度:中档来源:不详

答案

class="stub"2
5
+(class="stub"6
7
+class="stub"3
35
)×7

=class="stub"2
5
+class="stub"6
7
×7+class="stub"3
35
×7,
=class="stub"2
5
+6+class="stub"3
5

=class="stub"2
5
+class="stub"3
5
+6,
=1+6,
=7.

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