3:4:2:10.5:2.6 8:7:0.5 4:3:0.8 There must be a formula 3 / 4: 1 / 2 0.5:2.6 7 / 8: 0.5 3 / 4: 0.8

3:4:2:10.5:2.6 8:7:0.5 4:3:0.8 There must be a formula 3 / 4: 1 / 2 0.5:2.6 7 / 8: 0.5 3 / 4: 0.8

1)3/4:1/2=3/4×2=3/2
2)0.5=1/2,2.6=26/10=13/5
0.5:2.6=1/2:13/5=5/26
3)7/8:0.5=7/8:1/2=7/4
4)3/4:0.8=3/4:4/5=15/16
Respondent: lizhihao111