Решить уравнения r+2r+3r=360

Question

Решить уравнения r+2r+3r=360

Comments

6r=360 ;r=360:6;r=60

Answer 1

1r+2r+3r=360
3r+3r=360
6r=360
r=60

Answer 2

6r = 360
r = 360 : 6
r = 60