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计算下面各题:47×2110×25 35×29×15 15÷910×354×512÷59 58÷712÷710 12÷54×23.

编辑:chaxungu时间:2026-04-27 14:17:40分类:小学数学题库

计算下面各题:
4
7
×
21
10
×
2
5

3
5
×
2
9
×15
15÷
9
10
×
3
5

5
12
÷
5
9

5
8
÷
7
12
÷
7
10

1
2
÷
5
4
×
2
3
.①
4
7
×
21
10
×
2
5

=
6
5
×
2
5

=
12
25


3
5
×
2
9
×15=2;

③15÷
9
10
×
3
5

=15×
10
9
×
3
5

=10;

④4×
5
12
÷
5
9

=
5
3
×
9
5

=3;

5
8
÷
7
12
÷
7
10

=
5
8
×
12
7
×
10
7

=
75
49


1
2
÷
5
4
×
2
3

=
1
2
×
4
5
×
2
3

=
4
15