Răspunsuri

2014-11-04T12:35:54+02:00
A numarul pe care il cautam
3xa=a+254
3a-a=254
2a=254
a=127
2014-11-04T12:43:02+02:00
Fie x-numarul
3*x=x+254
3*x-x=254
2x=254
x=254:2
x=127