Răspunsuri

2014-05-07T16:00:08+03:00
X |___a___||___a___|
y |___a___|

3xa=30
a=30:3
a=10

x=10+10
x=20

y=10
1 1 1
2014-05-07T16:07:01+03:00
A=B:2
A+B=30

B:2+B=30/  ORI 2
B+2B=60
3B=60
B=60:3
B=20

A+B=30
B=20
A=10
2 3 2