Răspuns :
[tex]M1)2.(5) = \frac{25 - 2}{9} = \frac{23}{9} [/tex]
[tex]sau[/tex]
[tex]M2)2.(5) = 2 \frac{5}{9} = \frac{2 \times 9 + 5}{9} = \frac{18 + 5}{9} = \frac{23}{9} [/tex]
[tex]sau[/tex]
[tex]M2)2.(5) = 2 \frac{5}{9} = \frac{2 \times 9 + 5}{9} = \frac{18 + 5}{9} = \frac{23}{9} [/tex]
[tex]2.(5) = 2 \times \frac{5}{9} = \frac{23}{9} [/tex]
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