求比(数学):32:24 12/11 :24/5 1.25÷0.75 2.25:0.9
问题描述：
求比(数学):32:24 12/11 :24/5 1.25÷0.75 2.25:0.9
答
32:24=4:3
12/11 :24/5=(12/11)*55:(24/5)*55=60:264=5:22
1.25÷0.75=1.25:0.75=1.25*4:0.75*4=5:3
2.25:0.9=2.25*100:0.9*100=225:90=5:2