Question

Помогите даю 50 баллов

Answer 1

$1.\frac{-0,4*(-2)^2+2}{-1-3*0,4} =\frac{-0,4*4+2}{-1-1,2} =\frac{-1,6+2}{-2,2} =\frac{0,4}{-2,2} =-\frac{2}{11}$

$2.-2\frac{1}{4} -(-3)+\frac{3}{2} *\frac{2}{3}=-2\frac{1}{4} +3+1=4-2\frac{1}{4} =\\=3\frac{4}{4} -2\frac{1}{4} =1\frac{3}{4}$