ex. 2,3 plssssss am nevoie de ajutor

Răspuns:
2.
B.36,63=>3+6=9
C.27,72=>2+7=9
D.18,81=>1+8=9
E.09,90=>0+9=9
3.
divizibile cu: a)3:603,738,570,138,6030,735,261, 375915
b)9:603,738,6030,261
Sper ca te am ajutat!