求比值.15:5= 1.4:2.1= 3/8:1/2=

问题描述:

求比值.15:5= 1.4:2.1= 3/8:1/2=

3:1很简单啊
还有很多呢

15:5=3;
1.4:2.1= 2:3;
3/8:1/2=3:4;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,