Răspuns:
a/0,2+b/2=k
a=0,2k
b=2k
0,2k+2k=33
2,2k=33=>k=33:2,2=>k=15
a=0,2·15=3
b=2·15=30
{ a ; b } d.p { 0, 2 ; 2 }
a / 0, 2 = b / 2 = k
a + b = 33
a / 0, 2 = k => a = 0, 2 k
b / 2 = k => b = 2 k
0, 2 k + 2 k = 33
2, 2 k = 33
k = 33 / 2, 2
k = 15
a = 0, 2 × 15 = 3
b = 2 × 15 = 30
