Quiz about OPERACIONES CON NÚMEROS RACIONALES

Question 1

Resultado de las siguientes operaciones
$$\frac{3}{5}-\frac{7}{4}+\frac{11}{10}$$

Accepted Answer

$$-\frac{1}{20}$$

Answer

$$\frac{1}{20}$$

Answer

$$-\frac{3}{20}$$

Answer

$$\frac{3}{20}$$

Question 2

Resultado de las siguientes operaciones
$$\left(\frac{1}{5}+\frac{3}{4}\right)\left(\frac{2}{3}-\frac{5}{6}\right)$$

Accepted Answer

$$-\frac{19}{120}$$

Answer

$$\frac{19}{120}$$

Answer

$$\frac{17}{120}$$

Answer

$$-\frac{17}{120}$$

Question 3

Resultado de las siguientes operaciones
$$\left(\frac{2}{3}-\frac{1}{4}\right)\div\left(\frac{2}{5}-\frac{1}{6}\right)$$

Accepted Answer

$$\frac{25}{14}$$

Answer

$$\frac{19}{14}$$

Answer

$$\frac{27}{14}$$

Answer

$$\frac{23}{14}$$

Question 4

Resultado de las siguientes operaciones
$$\frac{\frac{1}{2}+\frac{7}{3}}{2-\frac{5}{3}}$$

Accepted Answer

$$\frac{17}{2}$$

Answer

$$\frac{7}{3}$$

Answer

$$\frac{17}{3}$$

Answer

$$\frac{15}{2}$$

Question 5

Realiza las siguientes operaciones

$$18\div\left(-2\right)^2-3\left(-4\right)^3$$

Accepted Answer

$$\frac{393}{2}$$

Answer

$$-\frac{293}{2}$$

Answer

$$-\frac{243}{2}$$

Answer

$$\frac{391}{2}$$

Question 6

Calcule el valor de "x"

$$\frac{6}{x}=\frac{4}{9}$$

Accepted Answer

$$\frac{27}{2}$$

Answer

$$\frac{25}{2}$$

Answer

$$\frac{51}{4}$$

Answer

$$\frac{25}{4}$$

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