Răspunsuri

2014-05-20T18:51:48+03:00
2:3=0,(6)
6pe9+6pe9=12pe9
zecimal : 12:9=1,(3)
1 5 1
2014-05-20T18:52:52+03:00
Notam cu x numarul de kg.
x = 2 + x/2
2x = 4 + x
x = 4 kg