Răspunsuri

2014-02-14T16:50:54+02:00
X+y+z= 540
x+y= 526
z=1/10 ·x
z= 540- (x+y)= 540 - 526 = 14
z= 1/10x ⇔ x= z : 1/10 ⇔ x= 14 · 10 = 140
y= 540- ( x+z) ⇔ y= 540- 154= 386
x+y+z = 540⇔ 140 + 386 + 14 = 540 ⇔ 540=540


2014-02-14T17:03:28+02:00
526÷2=263 primul si al doilea numar
540-526=14 al treilea numar