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REFUERZO MATHIASOnline version

Ordena por tamaño de cada conjunto

by Pryscila Acosta
1

En un aula de 4to de primaria, a 18 niños les gusta el helado de chocolate y a 15 les gusta el helado de fresa. Si a 7 niños les gustan ambos sabores, ¿a cuántos niños les gusta solamente el helado de chocolate?

2

En un club deportivo, 20 niños juegan fútbol y 12 juegan básquetbol. Si el total de niños que practica al menos uno de estos deportes es 26, ¿cuántos niños practican ambos deportes a la vez?

3

Un camión repartidor sale del almacén cargado con $3,450$ botellas de leche. En su primera parada descarga $1,280$ botellas y en la segunda parada descarga $950$ botellas. ¿Cuántas botellas de leche quedan aún en el camión?

4

Una escuela recibió una donación de $1,500$ libros de cuentos. Si guardaron $340$ libros en la biblioteca principal y el resto lo repartieron en partes iguales entre 4 salones de cuarto grado, ¿cuántos libros recibió cada salón?

5

Dos luces de Navidad parpadean simultáneamente. Una lo hace cada 6 segundos y la otra cada 8 segundos. Si acaban de parpader juntas, ¿dentro de cuántos segundos volverán a coincidir por primera vez?

 
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