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 fetele

Answer 1

Diana+Camelia+Corina=154
Diana+Camelia=89
Camelia+Corina=118
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Diana=?
Camelia=?
Corina=?
--------------//------------------------

Corina=154-89
           =65
Diana=154-118
          =36
Camelia= 89-36
              =53

Answer 2

D+C+Co=154 ilustrate
D+C=89 ilustrate
D+Co=118 ilustrate
REZOLVARE
154-89=65 ( Co ilustrate)
154-118=36 ( D ilustrate)
36+65=101 (D+ Co ilustrate)
154-101=53 ( C ilustrate )