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Problema
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Calcula: a) $\dfrac {5} {6}+\dfrac {7} {9}+\dfrac {4} {3}$ b) $\dfrac {5} {6}+\dfrac {7} {9}-\dfrac {1} {3}$ c) $\dfrac {2} {3}+\dfrac {11} {15}-\dfrac {1} {5}$ d) $\dfrac {8} {12}+\dfrac {2} {5}-\dfrac {1} {2}-\dfrac {1} {10}$ $2.$ Calcula: a) 3 2 $\dfrac {15} {14}$ b) $\dfrac {4} {3}:\dfrac {7} {11}$ c) $6$ $.\dfrac {5} {4}$ d) $\dfrac {4} {3}:6$ $3.0$ Calcula: 6 $\left(\dfrac {9} {4}+\dfrac {3} {8}\right)$ b) $\left(8+\dfrac {2} {5}\right):\left(6-\dfrac {9} {4}\right)$ a) 7 c) $\dfrac {7} {9}:\dfrac {4} {3}+\dfrac {8} {12}.\dfrac {2} {5}$ d) $\dfrac {8} {12}+\dfrac {2} {5}:\dfrac {6} {7}$ e) $\dfrac {5} {6}+\dfrac {7} {9}.\dfrac {4} {3}-\dfrac {1} {2}$ $f\right)$ $\dfrac {5} {6}+\dfrac {7} {9}.\left(\dfrac {4} {3}-\dfrac {1} {2}\right)$
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Solución
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Profesor de Qanda - Josemaz-34
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podrías hacerlo de esta manera.
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