Răspuns :
a+b=132
(a+b):(a-b)=5 rest 12
132:(a-b)=5 rest 12
a-b=(132-12):5
a-b=120:5
a-b=24=>a=b+24
b+24+b=132
2×b=132-24
2b=108
b=108:2
b=54
a=54+24
a=78
v:78+54=132
(a+b):(a-b)=5 rest 12
132:(a-b)=5 rest 12
a-b=(132-12):5
a-b=120:5
a-b=24=>a=b+24
b+24+b=132
2×b=132-24
2b=108
b=108:2
b=54
a=54+24
a=78
v:78+54=132