Răspuns :
Răspuns:
a+b=108
a-b=42
2a=150
a=150÷2=75
75-b=42
b=75-42=33
Date:
a+b=108
a-b=42
Rezolvarea:
2a=108+42=150
a=150:2=75
75-b=42
b=75-42=33
R:a=75; b=33
a+b=108
a-b=42
Rezolvarea:
2a=108+42=150
a=150:2=75
75-b=42
b=75-42=33
R:a=75; b=33