Question

Diana,Camelia si Corina au colectionat impreuna 154 de ilustrate.Diana si Camelia au impreuna 89 de ilustrate ,iar Camelia si Corina au impreuna 118 de ilustrate.
  Cate ilustrate a colectionat fiecare fetita?
  

Daca s-ar putea si cu intrebari ,va rog!! $\left \{ {{y=2} \atop {x=2}} \right. \alpha$ (Nu le lua-ti in seama ;) )

Answer 1

D+C+c=154
D+C=89
c=154-89
c=65
C+c=118
C+65=118
C=118-65
C=53
D+C=89
D+53=89
D=89=53
D=36

36+53+65=154
Am notat
Diana=D
Camelia=C
Corina=c

Answer 2

Diana+Camelia+Corina=154 ilustrate
Diana+Camelia+     ?   =89 ilustrate
   ?     +Camelia+Corina=118 ilustrate
Aflam cate ilustrate are Corina:
154-89=65 ilustrate
Aflam cate ilustrate are Diana:
154-118=36 ilustrate
Aflam cate ilustrate are Camelia:
154-65-36=89-36=53 ilustrate
Verificare: 36+53+65=89+65=154
Sper ca te-am ajutat! :)