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Calculation: a) date zile aunt in 5 saptamani so 4 zile? B) cate saptamani aunt in49 zile? C) care luni aunt in 2 ani so 7 luni? Class 4 rog frumos dau coroana

Răspuns :

a) 5 sap=7x5=35 zile
35+4=39 zile
b) 49:7=7 sap.
c) 2 ani=12x2=24 luni
24+7=31