Question

Daca adun doua nr obtin suma 77 iar daca le impart obtin catul6 care sunt nr?

Answer 1

a + b = 77
a/b = 6, a = 6b

6b + b = 77
7b = 77
b = 11
a = 6 x 11 = 66

Answer 2

a+b=77 a:b=6=>a=6b 6b+b=77=>7b=77 b=77:7 b=11 =>a=77-11 a=66