34÷78÷1514;45×17÷25.-六年级数学

题目简介

34÷78÷1514;45×17÷25.-六年级数学

题目详情

3
4
÷
7
8
÷
15
14

4
5
×
1
7
÷
2
5
题型:解答题难度:中档来源:不详

答案

(1)class="stub"3
4
÷class="stub"7
8
÷class="stub"15
14

=class="stub"3
4
÷(class="stub"7
8
×class="stub"15
14

=class="stub"3
4
÷class="stub"15
16

=class="stub"4
5


(2)class="stub"4
5
×class="stub"1
7
÷class="stub"2
5

=class="stub"4
5
÷class="stub"2
5
×class="stub"1
7

=2×class="stub"1
7

=class="stub"2
7

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