1/5:3/10求比值要详细过程

Question

如题所述

Answer 1

10:15=10/15约=0.667 0.15:1.5=0.15/1.5=0.1 4.2:1.4=4.2/1.4=3 1/2:1/3=3/2=1.5 1/5:0.6=0.2/0.6=0.333 2/5:5/6=12/250.48 123:69=41:23 0.45:2=45:200=9:40 1/50:1/20=1/50X20=2:5 6:12/13=6X13/12=13:2 3/4:1/12=3/4X12=9:1 7.2:8.4=6:7 3.2:...

Answer 2

=1/5x10:(3/10x10)
=2:3

Answer 3

3/5=0.6本回答被提问者采纳