Question

Помогите пожалуйста 60 баллов !!!!!!

Answer 1

1 способ

$\frac{2x}{sx+bx}+\frac{3y}{sy+by} =\frac{2x}{x(s+b)}+\frac{3y}{y(s+b)} =\frac{2x*y}{xy(s+b)}+\frac{3y*x}{xy(s+b)}=\frac{2xy+3xy}{xy(s+b)} =\frac{5xy}{xy(s+b)}=\frac{5}{s+b}$

2 способ

$\frac{2x}{sx+bx}+\frac{3y}{sy+by}=\frac{2x}{x(s+b)}+\frac{3y}{y(s+b)}=\frac{2}{s+b}+\frac{3}{s+b}=\frac{2+3}{s+b}=\frac{5}{s+b}$