Răspuns :
I - x
II - x+1
III - x+2
IV - x+3.
x+x+1= 17
2x+1=17
2x= 16 => x=8
x+x+1+x+2+x+3= 8+8+1+8+2+8+3= 38
II - x+1
III - x+2
IV - x+3.
x+x+1= 17
2x+1=17
2x= 16 => x=8
x+x+1+x+2+x+3= 8+8+1+8+2+8+3= 38