Răspuns:
nr consecutive pot fi : ex : 1,2,3,4
A/1 =b/2 =C/3 =D/4 =k
A/1 =K A=1K
B/2 =K B=2K
C/3 =K C=3K
D/4 =K D=4K
A+B+C+D =360 grade
A+B+C+D/1+2+3+4 =360/10 =36 ; K=36 grade
A=1K =1*36 =36 grade
B=2K =2*36 =72 grade
C=3K =3*36 =108 grade
D=4K =4*36 =144 grade
Explicație pas cu pas:
