Question

Упростите выражение

Answer 1

$1)1.2x + 3.8x - 2.7x = (1.2 + 3.8 - 2.7)x =2.3x \ 2)4.5y - 2.3y + 1.6y = (4.5 - 2.3 + 1.6)y = 3.8y$