(a-3)•3+3:3=8
Cat e a ??


Răspuns :

( a - 3) x 3 + 3 : 3 = 8

(a - 3) x 3 + 1 = 8

(a - 3) x 3 = 8 - 1

(a - 3) x 3 = 7

a - 3 = 7/3

a = (7/3) + 3

a = (7+9)/3 = 16/3

a = 5,(3)

(a-3)*3+3:3=8

3*a-9+1=8

3*a=8+8

3*a=16

a=16 supra 3