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a fost răspuns

Marind un numar rational cu 2
—
3

obtinem 5
—
2
Determinati numarul .

Răspuns :

Anamariaangel
[tex]\frac{a}{b}+ \frac{2}{3} = \frac{5}{2}[/tex]

[tex]\frac{a}{b} = \frac{5}{2}-\frac{2}{3}[/tex]

[tex]\frac{a}{b} = \frac{5*3-2*2}{6}[/tex]

[tex]\frac{a}{b} = \frac{15-4}{6}[/tex]

[tex]\frac{a}{b} = \frac{11}{6}[/tex]

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