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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Step-by-step Solution
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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