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Mirami11
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Tata a cumparat un bax de sticle de jumatate de litru de apa minera.
a) Daca baxul are 12 sticle,cati litri de apa a cumparat tata?
b) Daca intr-o zi se consuma 3 litri de apa minerala,paentru cate zile ajunge apa?
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Răspuns :

Ancarodica
a) 12÷2= 6 litri apa
b) 6÷3= 2 zile
Lolipoop1
1 bax...........sticle de jumatate de litru...apa minerala
1 bax....... ......12 sticle
jumatate de litru=0.5
12 a).sticle=0.5+0.5+0.5+0.5+0.5+0.5+0.5+0.5+0.5+0.5+0.5+0.5=1.5+1.5+1.5+1.5=3.0+3.0=6.0(litri de apa)
b). 1 zi .............3 litri apa mereu facem ×2

2 zile..........6 litri apa

Raspuns:pentru 2 zile

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