Question

a+b+c=399
a=4*c
b=a:2​

Answer 1

Răspuns:

a+b+c=399

a=4*c=>c=a:4=>c=164:4=>c=41

b=a:2 => b=164:2=>b=82

a+a:2+a:4=399 => 3a=399*4*2 => 3a=399*8=> 3a=2192=>a=3192:3=>a = 164