Răspuns :
Salut! :)
( a + b + c )/3 = 24
a + b + c = 24 × 3
a + b + c = 72
( a + b )/2 = 26
a + b = 26 × 2
a + b = 52
c = 72 - 52 = 20
Salut! :)
( a + b + c )/3 = 24
a + b + c = 24 × 3
a + b + c = 72
( a + b )/2 = 26
a + b = 26 × 2
a + b = 52
c = 72 - 52 = 20