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a) $\right)$ $9$ $10$ $=$ $\dfrac {3} {10}+\dfrac {3} {10}+\dfrac {3} {10}$ $\dfrac {2} {20}+\dfrac {3} {10}+\dfrac {5} {10}$ $b\right)$ $\dfrac {17} {5}=$ $3+\dfrac {2} {5}$ $\dfrac {16} {20}+\dfrac {8} {10}+\dfrac {9} {10}+\dfrac {18} {20}$ $C\right)$ $\dfrac {8} {5}$ d) $42$ II $9$ $38$ %3D $e\right)$ $7$
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Profesor de Qanda - Fiorela.S
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