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6 gaini fac 8 oua in 3 zile.Cate oua vor face 3 gaini in 9 zile?


Răspuns :

6 gaini ... 8 oua .... 3 zile    =>   3 gaini ... 4 oua .... 3 zile

Deci 3 gaini ..... 12 oua .... 9 zile
6g...8oua...3zile
3g....xoua....9 zile.
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x=9*8*3/6*3
x=12 oua