15/7. 23/7. 31/7. 49/9. 59/9. 71/9
a - 2 ×7 +1 = 15 / 7 .
b- 3 × 7 + 2 = 23 / 7 .
c - 4 × 7 + 3 = 31 / 7 .
d - 5 × 9 + 4 = 49 / 9 .
e - 6 × 9 + 5 = 59 / 9 .
f - 7 × 9 + 8 = 71 / 9 .
sper ca te am ajutat :)
