Schmidt Christensen
08/06/2023 · Primary School

7. Halla el resultado de las divisiones. \( \begin{array}{ll}\text { a. } 23,856 \div(-11,36)=-2 \text {, e. }-19,968 \div(-3,2) \\ \text { b. }-18,8496 \div 6- & \text { f. } \frac{24}{36}+\left(-\frac{8}{9}\right) \\ \text { c. } \frac{1}{6}+\frac{12}{5} & \text { g. }-0,1962 \div(-0,6) \\ \text { d. }-\frac{12}{25}+\left(-\frac{144}{125}\right) & \text { h. } 8+\left(-\frac{24}{9}\right)\end{array} \)

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Vamos a resolver cada una de las divisiones y operaciones indicadas: **a.** \( 23,856 \div (-11,36) \) \[ 23,856 \div (-11,36) = -2.1 \] **b.** \( -18,8496 \div 6 \) \[ -18,8496 \div 6 = -3,1416 \] **c.** \( \frac{1}{6} + \frac{12}{5} \) Para sumar estas fracciones, encontramos un común denominador, que es 30: \[ \frac{1}{6} = \frac{5}{30}, \quad \frac{12}{5} = \frac{72}{30} \] Entonces: \[ \frac{1}{6} + \frac{12}{5} = \frac{5}{30} + \frac{72}{30} = \frac{77}{30} \approx 2.5667 \] **d.** \( -\frac{12}{25} + \left(-\frac{144}{125}\right) \) Para sumar estas fracciones, encontramos un común denominador, que es 125: \[ -\frac{12}{25} = -\frac{60}{125} \] Entonces: \[ -\frac{12}{25} + \left(-\frac{144}{125}\right) = -\frac{60}{125} - \frac{144}{125} = -\frac{204}{125} \approx -1.632 \] **e.** \( -19,968 \div (-3,2) \) \[ -19,968 \div (-3,2) = 6,24 \] **f.** \( \frac{24}{36} + \left(-\frac{8}{9}\right) \) Simplificamos \( \frac{24}{36} = \frac{2}{3} \): \[ \frac{2}{3} + \left(-\frac{8}{9}\right) \] Para sumar estas fracciones, encontramos un común denominador, que es 9: \[ \frac{2}{3} = \frac{6}{9} \] Entonces: \[ \frac{6}{9} - \frac{8}{9} = -\frac{2}{9} \approx -0.2222 \] **g.** \( -0,1962 \div (-0,6) \) \[ -0,1962 \div (-0,6) = 0,327 \] **h.** \( 8 + \left(-\frac{24}{9}\right) \) Simplificamos \( -\frac{24}{9} = -\frac{8}{3} \): \[ 8 - \frac{8}{3} \] Para sumar, convertimos 8 a tercios: \[ 8 = \frac{24}{3} \] Entonces: \[ \frac{24}{3} - \frac{8}{3} = \frac{16}{3} \approx 5.3333 \] ### Resumen de resultados: - a. \( -2.1 \) - b. \( -3.1416 \) - c. \( \frac{77}{30} \approx 2.5667 \) - d. \( -\frac{204}{125} \approx -1.632 \) - e. \( 6.24 \) - f. \( -\frac{2}{9} \approx -0.2222 \) - g. \( 0.327 \) - h. \( \frac{16}{3} \approx 5.3333 \)

Quick Answer

a. \( -2.1 \) b. \( -3.1416 \) c. \( \frac{77}{30} \approx 2.5667 \) d. \( -\frac{204}{125} \approx -1.632 \) e. \( 6.24 \) f. \( -\frac{2}{9} \approx -0.2222 \) g. \( 0.327 \) h. \( \frac{16}{3} \approx 5.3333 \)
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