SlideShare una empresa de Scribd logo
1 de 2
EJERCICIOS
1. Halla x en:
2,5 2 1,5
3,8 4 4,2
1/4 x 1,75
2. Que numero sigue en:
2/3, 2/9, 2/27, 2/81,…?
3. En 1/2; 2/6, 4/18, 8/54, A/B. El valor de A+B es :
4. Una empresa ha comprado 150 útiles de oficina entre carpetas, cuadernos, lápices y
lapiceros. Las carpetas son 2/5 del total, los lápices son 1/6 del resto y los lapiceros 1/3
del nuevo. ¿Cuántos cuadernos se han comprado?
5. De una pieza de tela de 35 m se han vendido ; luego, y por último,
¿Cuántos metros de tela queda?
6. ¿Cuántos metros cuadrados cuadrados son los 2/3 de los 5/7 de un terreno que mide
37800 metros cuadrados?
7. Halla b en:
3,5 7 0,5
7,2 8 0,9
7,5 5 b
8. Halla x en:
1/5 1/2 2/5
3/2 3 1/2
1/2 x 4/3
9. Que numero sigue en: 2/3, 2/9, 2/27, 2/81, …
10. Pablo cobra mensualmente 450 dólares y ahorra cierta cantidad cada mes. Después de
cobrar 2250 dólares ha conseguido ahorrar 112,50 dólares. ¿Qué cantidad mensual
ahorra?
11. Si gasto 4/9 de mi sueldo en alquiler y 1/3 en comida, ¿Qué fracción me queda para otros
gastos?
12. Ricardo consigue trabajo como cocinero en un restaurante donde le ofrecen un sueldo
mensual de $ 765. Después de 25 días de trabajo se ve obligado a renunciar y el dueño del
restaurante le paga $585 y le entrega una bolsa de víveres. Si Ricardo quedo conforme,
¿en cuánto valorizo la bolsa de víveres?

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1. ejercicios mate superios 3 bgu

  • 1. EJERCICIOS 1. Halla x en: 2,5 2 1,5 3,8 4 4,2 1/4 x 1,75 2. Que numero sigue en: 2/3, 2/9, 2/27, 2/81,…? 3. En 1/2; 2/6, 4/18, 8/54, A/B. El valor de A+B es : 4. Una empresa ha comprado 150 útiles de oficina entre carpetas, cuadernos, lápices y lapiceros. Las carpetas son 2/5 del total, los lápices son 1/6 del resto y los lapiceros 1/3 del nuevo. ¿Cuántos cuadernos se han comprado? 5. De una pieza de tela de 35 m se han vendido ; luego, y por último, ¿Cuántos metros de tela queda? 6. ¿Cuántos metros cuadrados cuadrados son los 2/3 de los 5/7 de un terreno que mide 37800 metros cuadrados? 7. Halla b en: 3,5 7 0,5 7,2 8 0,9 7,5 5 b 8. Halla x en: 1/5 1/2 2/5 3/2 3 1/2 1/2 x 4/3 9. Que numero sigue en: 2/3, 2/9, 2/27, 2/81, … 10. Pablo cobra mensualmente 450 dólares y ahorra cierta cantidad cada mes. Después de cobrar 2250 dólares ha conseguido ahorrar 112,50 dólares. ¿Qué cantidad mensual ahorra?
  • 2. 11. Si gasto 4/9 de mi sueldo en alquiler y 1/3 en comida, ¿Qué fracción me queda para otros gastos? 12. Ricardo consigue trabajo como cocinero en un restaurante donde le ofrecen un sueldo mensual de $ 765. Después de 25 días de trabajo se ve obligado a renunciar y el dueño del restaurante le paga $585 y le entrega una bolsa de víveres. Si Ricardo quedo conforme, ¿en cuánto valorizo la bolsa de víveres?