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numitorul comun plssss!!!!

Numitorul Comun Plssss class=

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Mate19
[tex] \frac{8}{27} (- \frac{63}{32} )-( -\frac{11}{18} )= \frac{1}{9} (- \frac{21}{4} )+ \frac{11}{18} = \frac{1}{3} (- \frac{7}{4} )+ \frac{11}{18} =- \frac{7}{12} + \frac{11}{18} = \frac{-21+22}{32}[/tex]= [tex] \frac{1}{32} [/tex]

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