把下例各连比化为最简整数比:2:4:8=3:9:12=18:20:18=15:20:35=12:13:16=12:13:34=25:54:85=118:114:32=0.75:0.25:1.25=0.3:0.15:0.45=0.72:0.12:2.4=-六年级数学

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题文

把下例各连比化为最简整数比:
2:4:8=
3:9:12=
18:20:18=15:20:35=
1
2
1
3
1
6
=
1
2
1
3
3
4
=
2
5
5
4
8
5
=
1
1
8
:1
1
4
3
2
=
0.75:0.25:1.25=0.3:0.15:0.45=
0.72:0.12:2.4=
题型:填空题  难度:中档

答案


2:4:8=1:2:4,

3:9:12=1:3:4,
18:20:18=9:10:9,

15:20:35=3:4:7,
1
2
1
3
1
6
=3:2:1,

1
2
1
3
3
4
=6:4:9,
2
5
5
4
8
5
=8:25:32,

1
1
8
:1
1
4
3
2
=9:10:12,
0.75:0.25:1.25=3:1:5,

0.3:0.15:0.45=1:5:15,
0.72:0.12:2.4=6:1:20.

据专家权威分析,试题“把下例各连比化为最简整数比:2:4:8=3:9:12=18:20:18=15:20:35=12..”主要考查你对  比的化简  等考点的理解。关于这些考点的“档案”如下:

比的化简