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a fost răspuns

aflati nr naturale consecutive x y z stiind ca: 10x+10y+10z=180 six<y<z

Răspuns :

y=x+1
z=x+2


10x+10y+10z=180
10(x+y+z)=180
x+y+z=180:10
x+y+z=18
x+x+1+x+2=18
3x+3=18
3x=18-3
3x=15
x=15:3=5

y=x+1=5+1=6
z=x+2=5+2=7

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