17.5:5 98:7 0.25:3.25 15分之8:0.48 1:7分之2 8分之3:0.65 4.2:30% 135%:125%:25% 求比值

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17.5:598:70.25:3.2515分之8:0.481:7分之28分之3:0.654.2:30%135%:125%:25%求比值17.5:598:70.25:3.2515分之8:0.481:7分

17.5:5 98:7 0.25:3.25 15分之8:0.48 1:7分之2 8分之3:0.65 4.2:30% 135%:125%:25% 求比值
17.5:5 98:7 0.25:3.25 15分之8:0.48 1:7分之2 8分之3:0.65 4.2:30% 135%:125%:25% 求比值

17.5:5 98:7 0.25:3.25 15分之8:0.48 1:7分之2 8分之3:0.65 4.2:30% 135%:125%:25% 求比值
17.5:5 =3.5
98:7 =14
0.25:3.25 =10/13
15分之8:0.48=1又1/9
1:7分之2=3.5
8分之3:0.65 =15/26
4.2:30%=14
135%:5分之3 =2.25
125%:25% =5

  没能弄明白“求比值”是啥意思,是下面这样吧?
  17.5:5 = 7/2;
  98:7 = 14/1;
  0.25:3.25 = 1/13;
  15分之8:0.48 =10/9;
  1:7分之2 = 7/2;
  8分之3:0.65 = 15/26;
  4.2:30% =14/1;
  135%:5分之3 = 9/4;...

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  没能弄明白“求比值”是啥意思,是下面这样吧?
  17.5:5 = 7/2;
  98:7 = 14/1;
  0.25:3.25 = 1/13;
  15分之8:0.48 =10/9;
  1:7分之2 = 7/2;
  8分之3:0.65 = 15/26;
  4.2:30% =14/1;
  135%:5分之3 = 9/4;
  125%:25% = 5/1;

收起

17.5:5=7:2
98:7=14:1
0.25:3.25 =1:13
15分之8:0.48 =10:9
1:7分之2 =7:2
8分之3:0.65 =15:26
4.2:30%=14:1
135%:5分之3 =9:4
125%:25%=5:1