Răspuns :
a+b=48
1/2 • a=1/4 •b => a/2=b/4
4a=2b...b=4a/2...b=2a
a+2a=48
3a=48
a=16
b=2a
b=16•2
b=32
Bafta!
1/2 • a=1/4 •b => a/2=b/4
4a=2b...b=4a/2...b=2a
a+2a=48
3a=48
a=16
b=2a
b=16•2
b=32
Bafta!