Question

3. Решите уравнения.
а) 1/3+ z = 41/2; б) y - 25/7 = 31/9.

Answer 1

a) z=41/2-1/3
z=20 1/6
б) у=31/9+25/7
у=7 1/63

Answer 2

1) z=41/2-1/3=(123-2)/3=121/6= 20целых 1/6
2) у= 31/9+25/7=(217+225)/63=442/63= 7целых 1/63