计算下列各题.25×47×211034×815×1013169×4×34.-六年级数学

题目简介

计算下列各题.25×47×211034×815×1013169×4×34.-六年级数学

题目详情

计算下列各题.
2
5
×
4
7
×
21
10

3
4
×
8
15
×
10
13

16
9
×4×
3
4
题型:解答题难度:中档来源:不详

答案

(1)class="stub"2
5
×class="stub"4
7
×class="stub"21
10

=class="stub"2
5
×(class="stub"4
7
×class="stub"21
10

=class="stub"2
5
×class="stub"6
5

=class="stub"12
25


(2)class="stub"3
4
×class="stub"8
15
×class="stub"10
13

=class="stub"2
5
×class="stub"10
13

=class="stub"4
13


(3)class="stub"16
9
×4×class="stub"3
4

=class="stub"16
9
×(4×class="stub"3
4

=class="stub"16
9
×3
=5class="stub"1
3

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