Question

хелп ми плз!!!!!!!!!!!!!!!!!!!!!!​

Answer 1

$1.2x+3.8x-2.7x=5x-2.7x=2.3x$

$4.5y-2.3y+1.6y=2.2y+1.6y=3.8y$

Answer 2

Отвечаю!

a) 1,2x +3,8-2,7x

(1,2+3,8-2,7)x

2,3x

б) 4,5y-2,3+1,6y

(4,5 - 2,3 +1,6)y

3,8y