比较大小 3.15×0.5○3.15 3.15×0.6○0.6 3.15÷0.6○1.
= :20=75%
12÷ ==0.75= :60= ÷24.
0.6== :35=6÷ = %
把分数写成两个数相除的式子= .
÷ =0.75== :16== %