Răspunsuri

  • Utilizator Brainly
2014-09-04T12:39:19+03:00
X+y+z=2766

x=2y+14
z=(x+y):2

2y+14+y+(2y+14+y):2=2766
3y+14+(3y+14):2=2766 /*2
6y+28++3y+14=5532
9y+42=5532
9y=5532-42
9y=5490
y=5490:9
y=610

x=2y+14
x=2*610+14
x=1234

z=(x+y):2
z=(1234+610):2
z=1844:2
z=922

Verificare : 1234+610+922=2766
2014-09-04T12:48:02+03:00
A+b+c=2766
a=14+2b
c=a+b/2
14+2b+b+(14+2b+b)/2=2766
3b+14+(3b+14)/2=2766 se amplifica cu 2
6b+28+3b+14=5532
9b=5532-42
9b=5490
b=610
a=14+2x610
a=1234
c=(1234+610)/2
c=1844/2
c=922
proba
134+610+922=2766


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