Răspunsuri

  • Utilizator Brainly
2014-09-04T21:21:38+03:00
X=gaini
y=gaste
z=rate


x+y+z=854

x+y=563 
x+z=492

563+z=854
z=854-563
z=291

492+y=854
y=854-492
y=362

x+291=492
x=492-291
x=201

Verificare : 201+362+291=854


2014-09-04T22:25:56+03:00
Gaini+gaste+rate=854
gaini+____+rate=492
gaini+gaste+___=563
gaste=854-492=362
rate=854-563=291
gaini=(563+492)-854=1055-854=201
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