Răspuns :
Răspuns:
I - 3x+25
II - x
III - [4x+25 (I si II) ]+29
In total: 879
Rezolvare:
3x+25+x+4x+25+29=879
3x+x+4x=879-25-25-29
8x=800
x=800:8
x=100
Raspuns: S={100}
I - 3x100+25=325 probleme
II - 100 probleme
III - 4x100+25+29=454 probleme
Răspuns:
I - 3x+25
II - x
III - [4x+25 (I si II) ]+29
In total: 879
Rezolvare:
3x+25+x+4x+25+29=879
3x+x+4x=879-25-25-29
8x=800
x=800:8
x=100
Raspuns: S={100}
I - 3x100+25=325 probleme
II - 100 probleme
III - 4x100+25+29=454 probleme