Question

a+b=28 b+c=16 c+a=20 ma ajutati va rog

Answer 1

A+B=28

B+C=16

A+C=20

aduni relatiile:

A+B+B+C+A+C=28+16+20

2×(A+B+C)=64

A+B+C=32 si cum A+B=28=>C=32-28 =4

A+C=20, C=4=>A=16=>B=28-A=12

Sper ca te am ajutat!