Arithmetic Expression Simplification

MathematicsArithmetic OperationsEasy

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$$\frac{1}{3} : \frac{2}{5} \left( 3 - \frac{1}{2} \right)$$

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Step by Step Written Solution

1
Step 1

Hola marco, vamos a resolver esta operación combinada paso a paso siguiendo la jerarquía de las operaciones.

Operaciones Combinadas

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Step 2

Primero, identificamos los paréntesis. La regla fundamental es calcular lo que está dentro de ellos antes que cualquier otra cosa.

$$\frac{2}{3} - \frac{1}{3} : \frac{2}{5} \left( 3 - \frac{1}{2} \right)$$
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Step 3

Resolvemos tres menos un medio. Esto es igual a cinco medios. Vamos a sustituir este valor en nuestra expresión original.

$$3 - \frac{1}{2} = \frac{5}{2}$$

$$\frac{2}{3} - \frac{1}{3} : \frac{2}{5} \left( \frac{5}{2} \right)$$
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Step 4

Ahora que ya no tenemos paréntesis, debemos resolver la división y la multiplicación de izquierda a derecha.

División y Multiplicación

$$\frac{2}{3} - \frac{1}{3} : \frac{2}{5} \cdot \frac{5}{2}$$
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Step 5

Primero calculamos la división de un tercio entre dos quintos, que es igual a cinco sextos.

$$\frac{1}{3} : \frac{2}{5} = \frac{1 \cdot 5}{3 \cdot 2} = \frac{5}{6}$$

$$\frac{2}{3} - \frac{5}{6} \cdot \frac{5}{2}$$

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About This Question

Subject
Mathematics
Topic
Arithmetic Operations
Difficulty
Easy

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