Question

2x+3x упростить выражение
7х-4х
5у+9у
х+4х+5х

Answer 1

2*x+3*x
7*x-4*x
5*y+9*y
x+4*x+5*x

Answer 2

(2+3)х
(7-4)х
(5+9)у
(1+4+5)х