Question

сколько будет 3 целых 2/5 - 3/5+ 1 целая 4/5 = ?

Answer 1

$3 frac{2}{5}- frac{3}{5} +1 frac{4}{5}=(3+1)+( frac{2}{5}- frac{3}{5}+ frac{4}{5})=4+ frac{3}{5}=4 frac{3}{5}$