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Fracciones en Acción

Riddle

Played 2

About this activity

Desafíos con fracciones y potencias

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Argentina

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Fracciones en Acción
 

Fracciones en AcciónOnline version

Desafíos con fracciones y potencias

by florencia matheron
1

Suma de fracciones: 1/2 + 1/3

Pistas

Resultado con denominador 6

Se obtiene sumando los numeradores una vez que el denominador es igual

Necesitas un denominador común

2

Resta de fracciones: 7/8 - 1/4

Pistas

Numerador resulta 5

8 es un múltiplo de 4

Conviertelo para tener el mismo denominador

3

Multiplicación de fracciones: (2/3) × (3/4)

Pistas

Simplifica antes de calcular el producto

Observa que hay factor común

Multiplica numeradores y denominadores

4

División de fracciones: -6 ÷ (2/3)

Pistas

6 × 3/2 = 9

Recíproco de 2/3 es 3/2

Dividir por una fracción equivale a multiplicar por su recíproco

5

Potenciación con fracciones: (-2/5)²

Pistas

Resultado positivo

2^2 = 4 y 5^2 = 25

Elevas al cuadrado numerador y denominador

6

Radicación básica: √(9/16)

Pistas

Mantén la fracción

√9 = 3 y √16 = 4

Raíz cuadrada de cociente es cociente de raíces

7

Propiedad de potencias: (-1/3)^2 ×(-1/3) ^2

Pistas

2^7 = 128

2^(3+4) = 2^7

Regla de propiedades: sumar exponentes

8

Exponente nulo(-5/7)^0

Pistas

Resultado positivo

5^2 = 25; √25 = 5

La raíz de un cuadrado devuelve la base

9

División de fracciones: -1/2 ÷ 3/4

Pistas

1/2 × 4/3 = 2/3

Recíproco de 3/4 es 4/3

Dividir por una fracción equivale a multiplicar por su recíproco

10

Propiedad de exponentes con fracciones: (1/2)^(-1)

Pistas

Con a = 1/2, (1/2)^(-1) = 2

(a^(-1)) = 1/a

Una potencia negativa invierte la base

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