[tex]\displaystyle \\
D : I = C ~si~R \\
--------- \\
D=I \times C+R \\
C=8I \\
R = \frac{1}{3}I \\
I+C+R=196 \\
--------- \\
I+8I+\frac{1}{3}I =196 \\
3I+24I+I=588 \\
28I = 588 \\ \\
I = \frac{588}{28} = \boxed{21}
[/tex]
[tex]\displaystyle \\
R = \frac{1}{3}I = \frac{I}{3} = \frac{21}{3} =\boxed{7} \\ \\
C=8I = 8 \times 21 = \boxed{168} \\
D=I \times C+R =21 \times 168+7 = 3528+7=\boxed{3535} \\
Verificare: \\
3535 : 21 = 168 ~rest~7[/tex]