Răspunsuri

2014-10-27T17:48:40+02:00
D=?
s=234
d-s=321+s=>d=321+s+s=321+234x2=321+468=789




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2014-10-27T17:49:32+02:00
234+321=555(diferenta)
555+234=789(descazutul)
verificare:789-234=555
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