Question

1. Efectuând
7/3-2,(3) se obține
a)5/3
b)0
c)-2/9
d)2/8​

Answer 1

$\frac{7}{3} - 2.(3) = \\ \\ = \frac{7}{3} - 2 \frac{3}{9} = \\ \\ = \frac{7}{3} - \frac{2 \times 9 + 3}{9} = \\ \\ = \frac{7}{3} - \frac{21}{9} = \\ \\ = \frac{7 \times 3}{3 \times 3} - \frac{21}{9} = \\ \\ = \frac{21}{9} - \frac{21}{9} = 0$

Answer 2

Răspuns:

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