Răspuns :
x-y=6,45
x+y=18,25
6,45+18,25=x*2
x=(6,45+18,25):2
x=24,7:2
x=12,35
12,35-y=6,45
y=12,35-6,45
y=5,9.
Raspuns: x=12,35; y=5,9.
x+y=18,25
6,45+18,25=x*2
x=(6,45+18,25):2
x=24,7:2
x=12,35
12,35-y=6,45
y=12,35-6,45
y=5,9.
Raspuns: x=12,35; y=5,9.