Решить 12,72: 6, 0,75: 2, 49: 140, 5,3: 5, 0,729: 9, 3,12: 15, 14,39: 4, 70,15: 100, 2,151: 18.

12,72:6=2,12
0,75:2=0,375
49:140=0,35
5,3:5=1,06
0,729:9=0,081
3,12:15=0,208
14,39:4=3,5975
70,15:100=0,7015
2,151:18=0,1195

12,72:6=2,12

0,75:2=0,375

49:140=0,35

5,3:5=1,06

0,729:9=0,081

3,12:15=0,208

14,39:4=3,5975

70,15:100=0,7015

2,151:18=0,1195