Răspuns :
a+b=60
a-11=b+11
a-11) |---|
b+11)|---| }60
60:2=30
a-11=30
a=11+30
a=41
b+11=30
b=30-11
b=19
verificare
a+b=60
41+19=60 ( Adevarat )
daca scădem din a si punem in b 11 avem asa :
41-11=30
19+11=30 } => sunt egale ( Adevarat )
a-11=b+11
a-11) |---|
b+11)|---| }60
60:2=30
a-11=30
a=11+30
a=41
b+11=30
b=30-11
b=19
verificare
a+b=60
41+19=60 ( Adevarat )
daca scădem din a si punem in b 11 avem asa :
41-11=30
19+11=30 } => sunt egale ( Adevarat )
a+b=60 a) |_____|-11
a-11=b+11 b) |____|+11
................ ------------------------
a=? b=? =>a=60:2+11
a=30+11
a=41
b=60:2-11
b=30-11
b=19
41+19=60
41-11=19+11
30=30
a-11=b+11 b) |____|+11
................ ------------------------
a=? b=? =>a=60:2+11
a=30+11
a=41
b=60:2-11
b=30-11
b=19
41+19=60
41-11=19+11
30=30