Răspunsuri

2014-04-26T21:37:01+03:00
X+y+z=925
y=x.3/5
z=y-32=x.3/5-32
inlocuim in prima⇒
x+x.3/5+x.3/5-32=925
x.(1+6/5)=925+32=957
x.11/5=957
x=957.5/11=435
y=435.3/5=261
z=y-32=261-32=229