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ericos y se conserva 11. $\dfrac {a} {2}+\dfrac {a} {3}+\dfrac {a} {4}$ $12$ $\dfrac {a^{2}b} {5}$ $\dfrac {2ab^{2}} {3}+\dfrac {3ab^{2}} {2}$ $\dfrac {6a^{2}b} {5}$ $13$ m $-\dfrac {m} {2}+\dfrac {2m} {3}-\dfrac {m} {4}$ $14$ $\dfrac {3a-b} {2}+\dfrac {3a-b} {5}$ $15$ $2P+\dfrac {3} {4}9-7p+\dfrac {3} {2}9$ 16. $a+a^{2}+a^{3}+a^{4}$ $-a-2a^{2}+3a^{3}-4a^{4}$ $17$ $0.2m-0.02n+1,07m-1.03n-m-n$ $18$ $0.5x^{2}y-0.4xy^{2}+0.3x^{2}y-0,2xy^{2}+x^{2}y$ 19. $1,17a-2,15a-3,25a+4,141a$
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Profesor de Qanda - Gabriela
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Estimada Sosa, no dude en realizar cualquier pregunta aclaratoria. Muchas gracias!
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Estudiante
gracias