[1÷(34+13)]×34.-数学

题目简介

[1÷(34+13)]×34.-数学

题目详情

[1÷(
3
4
+
1
3
)]×
3
4
题型:解答题难度:中档来源:不详

答案

[1÷(class="stub"3
4
+class="stub"1
3
)]×class="stub"3
4

=[1÷class="stub"13
12
class="stub"3
4

=[1×class="stub"12
13
class="stub"3
4

=class="stub"12
13
×class="stub"3
4

=class="stub"9
13

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