a÷23÷34×12=a______.-数学

题目简介

a÷23÷34×12=a______.-数学

题目详情

2
3
÷
3
4
×
1
2
=a______.
题型:解答题难度:中档来源:不详

答案

class="stub"2
3
÷class="stub"3
4
×class="stub"1
2

=a×class="stub"3
2
×class="stub"4
3
×class="stub"1
2

=a×(class="stub"3
2
×class="stub"4
3
×class="stub"1
2
),
=a×(2×class="stub"1
2
),
=a×1,
=a;
故答案为:正确.

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