Răspuns :
a+b=44
b-a=2
b=a+2
a+a+2=44
2×a+2=44
2×a=44-2
2×a=42
a=42:2
a=21
b=a+2
b=21+2
b=23
proba
21+23=44 ( Adevarat )
23-21=2 ( Adevarat )
b-a=2
b=a+2
a+a+2=44
2×a+2=44
2×a=44-2
2×a=42
a=42:2
a=21
b=a+2
b=21+2
b=23
proba
21+23=44 ( Adevarat )
23-21=2 ( Adevarat )