Question

3:1 1/2+5:1 1/4 помогите пж

Answer 1

$3:1\frac{1}{2}+5:1\frac{1}{4} =3:\frac{3}{2}+5:\frac{5}{4}=3*\frac{2}{3}+5*\frac{4}{5}=2+4=6\\\\Otvet:\boxed{6}$