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Bunica are intr-un cos 80 de oua . In familia noastra se consuma cate 5 oua pe zi .
Cate oua raman dupa o saptamana ??


Răspuns :

5x7=35-oua se consuma intr-o saptamana
80-35=45-oua raman

Saptamana are 7 zile deci intr-o saptamana se consuma:
5 x 7=35
Cate oua raman dupa o saptamana?
80-35=45