suelen oliveira

Escreva a resposta se souber: tinha 20 peixinhos no aquário. 15 morreram. Quantos sobraram?

vi 10000 galinhas morreram 1000 quantas sobrarão ?resposta:
(a)0
(b)4
(c)10000

tente achar a letra B e diga quantas letas a tem antes dele :
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