Question

упростите выражение, раскрыв скобки 9,4x+(2x-11 3/4y)-3 5/9y

Answer 1

$9,4x+\left(2x-11\frac34y\right)-3\frac59y=9,4x+2x-11\frac{27}{36}y-3\frac{20}{36}y=11,4x-14\frac{47}{36}y=\\=11,4x-15\frac{11}{36}y$