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Reto de acertijos, ecuaciones contrareloj

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Reto de acertijos, ecuaciones contrareloj

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Played 1 %Accuracy 25 Average time 01:19
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About this activity

Esta actividad interactiva tiene como objetivo fortalecer el pensamiento lógico-matemático y la competencia de resolución de problemas

Created by

luis alfredo peñalver
luis alfredo peñalver
Colombia

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Reto de acertijos, ecuaciones contrareloj
 

Reto de acertijos, ecuaciones contrarelojOnline version

Esta actividad interactiva tiene como objetivo fortalecer el pensamiento lógico-matemático y la competencia de resolución de problemas

by luis alfredo peñalver
1

El largo de un terreno rectangular es el triple de su ancho. Si el perímetro total del terreno es de 80m, ¿Cuáles son las dimensiones del terreno?

Pistas

Recordando que el perímetro de un rectángulo es P = 2(largo) + 2(ancho), ¿Cuál es la ecuación correcta?

2

El doble de la edad de Ana más 8 años es igual a 32 años. ¿Qué edad tiene Ana?

Pistas

x es la edad de Ana; la suma del doble de su edad y 8 da 32

3

Juan compró un cuaderno y un lapicero por un total de 15$. Si el cuaderno costó 3$ más que el doble del precio del lapicero, ¿Cuánto costó cada artículo?

Pistas

Variable x = precio del lapicero; Cuaderno = $2x + 3$; Total abonado = 15$.

 
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