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1(supra)2 x 1(supra)3 - 5(supra)6

Răspuns :

[tex] \frac{1}{2}* \frac{1}{3}- \frac{5}{6}= \frac{1}{6}- \frac{5}{6}=- \frac{4}{6}=- \frac{2}{3} [/tex]
1/2 x 1/3 - 5/6 = ?
Inmultim la 1/2 cu 3 , la 1/3 cu 2, iar la 5/6 cu 1 :
3/6 x 2/6 - 4/6 = 6/6 - 5/6 = 1/6