解:1/4:0.125 =1/4:125/1000 =1/4:1/8 =2:1 根据已知条件得:2:1=12/5:X 2X=12/5 X=6/5
1/4:0.125=10:110:1=12/5:XX=0.24
(1)最简整数比2;1(2)2:1=12/5:x 2x=1x12/5x=6/5
0.24