Odpowiedzi

2010-03-16T16:34:09+01:00
X+y=216
x-y=40

x=40+y
40+y+y=216

2y=176
x=40+y

y=88
x=128
2010-03-16T16:35:21+01:00
X+y=216
x-y=40

2x=256
x=128
y=216-x
y=88

y=88
x=128
2010-03-16T16:35:45+01:00