比值简单的说就是两个数相除后得到的数比如说8和2的比值就是8除以2得到4就是说8和2的比值是4希望你能看懂,好学是好事情,加油啊-------------------------------------7:12=7/124/3:8/5=5/61.08:0.96=108/96=9/85/1:3/1=5/30.8:0.28=80/28=20/70.4:4/1=0.4/4=0.1=1/1021/4:42/1=1/820/3:0.36=2000/3:36=500/27