Көмек керек..........?

Question

Көмек керек..........?

---

Answer 1

1) 32,6 × 5 1/4 +1 1/5 × 8,5 = 1) 32,6×5 1/4= 326/10 × 21/4= 6846/40=171 6/40
2) 1 1/5 × 8,5= 115/10× 85/10 = 9775/100 = 97 75/100= 97 3/ 4
3) 171 6/40 +97 3/4 = 268 9/10