37×113×919133×22×3410×715×928.-数学

题目简介

37×113×919133×22×3410×715×928.-数学

题目详情

3
7
×
1
13
×
91
9
1
33
×22×
3
4
10×
7
15
×
9
28
题型:解答题难度:中档来源:不详

答案

(1)class="stub"3
7
×class="stub"1
13
×class="stub"91
9

=class="stub"3
91
×class="stub"91
9

=class="stub"1
3


(2)class="stub"1
33
×22×class="stub"3
4

=class="stub"2
3
×class="stub"3
4

=class="stub"1
2


(3)10×class="stub"7
15
×class="stub"9
28

=10×(class="stub"7
15
×class="stub"9
28
),
=10×class="stub"3
20

=class="stub"3
2

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