20×56×3425×56×3827×14×58910×23×56.-数学

题目简介

20×56×3425×56×3827×14×58910×23×56.-数学

题目详情

20×
5
6
×
3
4
2
5
×
5
6
×
3
8
2
7
×14×
5
8
9
10
×
2
3
×
5
6
题型:解答题难度:中档来源:不详

答案

(1)20×class="stub"5
6
×class="stub"3
4

=20×(class="stub"5
6
×class="stub"3
4
),
=20×class="stub"5
8

=class="stub"25
2


(2)class="stub"2
5
×class="stub"5
6
×class="stub"3
8

=class="stub"1
3
×class="stub"3
8

=class="stub"1
8


(3)class="stub"2
7
×14×class="stub"5
8

=4×class="stub"5
8

=class="stub"5
2


(4)class="stub"9
10
×class="stub"2
3
×class="stub"5
6

=class="stub"3
5
×class="stub"5
6

=class="stub"1
2

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