Question

(2 2/5-3,2)*3 3/4 помогите решить.

Answer 1

$(2ttdisplaystylefrac {2}{5} - 3,2) * 3frac{3}{4} = (2frac{2}{5} - 3frac{1}{5}) * frac{15}{4} = (frac{12}{5} - frac{16}{5}) * frac{15}{4} = - frac{4}{5} * frac{15}{4} = - 3$