Răspunsuri

2014-09-29T09:09:49+03:00
Fie a si b lazile
a=4b
a=b+60
4b=b+60
3b=60/;3
b=20kg
a=4*20kg
a=80kg
2014-09-29T09:13:05+03:00
3parti=60kg
1p+1p+60kg=5p
60kg=3p
1p=20kg
a=20kg
b=4x20=80kg
e cel mai bun raspuns?marcheaza-l.multumesc.