Question

1)5-2/b+3/b²
2)2/c+4-3/c²
3)d-c/d+c²/d²
4)m/n-k+m²/n²

Answer 1

Ответ:

1.(5b ^ 2 - 2b + 3)/(b ^ 2)

2.(4c ^ 2 + 2c - 3)/(c ^ 2)

3.фото

4.2 2 mn-kn+m/n^2