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①85:23, ②0.14:0.56,③12:14,④2:0.5.

编辑:chaxungu时间:2026-04-27 14:12:24分类:小学数学题库

8
5
2
3
;②0.14:0.56;③
1
2
1
4
;④2:0.5.
8
5
2
3
=
8
5
÷
2
3
=
8
5
×
3
2
=
12
5

②0.14:0.56=
14
100
56
100
=
14
100
÷
56
100
=
14
100
×
100
56
=
1
4

1
2
1
4
=
1
2
÷
1
4
=
1
2
×4=2;
④2:0.5=2:
5
10
=2:
1
2
=2÷
1
2
=2×2=4.