化简比 14：35= 1/4:2/3 2/5:1.8= 102/34=
问题描述：
化简比 14：35= 1/4:2/3 2/5:1.8= 102/34=
答
14：35
= 2*7：5*7
=2：5
1/4:2/3
=1/4*3/2
=3/8
=3：8
2/5:1.8
=2/5：9/5
=2/5*5/9
=2/9
=2：9
102/34
=2*51/2*17
=51/17
=17*3/17
=3
=3：1
答
14：35= 2∶5
1/4:2/3 =3∶8
2/5:1.8=2∶9
102/34=3
答
14：35=2:5
1/4:2/3=3:8
2/5:1.8=2:9
102/34=3