Răspunsuri

2014-05-07T14:16:54+03:00
A +b +c + d= 52
b= a+ 2
c= b+ 2= a + 4
d=c+ 2= a+ 6

a+a+2+a+4+a+6= 52
4a= 52 - 12
4a= 40
a= 10
b= 10+2=12
c=10+4=14
d=10+6=16
1 3 1
2014-05-07T14:19:02+03:00

2x+2x+2+2x+4+2x+6=52

8x=52-12=40

x=5

primul numar este 2x deci 10,12,14 16

2 3 2