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Solucionario completo de Aritmetica de Baldor (Por Leonardo F. Apala T.)

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SOLUCIONARIO DE ARITMETICA DE BALDOR

x =

-14. 5.6 es 0.007?

x =

-15. 85 es 2.7625?

x =

-16. 615 es 33.825?

x =

-17. 8 400 es 147?

x =

-18. 40 000 es 550?

3.3 × 100

= 1 1 320 4 %

5.6 …… +

100%

0.007

+ …… x

0.007 × 100

= 1 5.6 8 %

85 …… +

100%

2.7625

+ …… x

2.7625 × 100

= 3 1 85 4 %

615 …… +

100%

33.825

+ …… x

33.825 × 100

= 5.5%

615

8 400 …… +

100%

147

+ …… x

147 × 100

= 1.75%

8 400

40 000 …… +

100%

x =

-19. 86 es 172?

x =

-20. 315 es 945?

550

+ …… x

550 × 100

40 000 = 1 3 8 %

86 …… +

100%

172

+ …… x

172 × 100

= 200%

86

x =

EJERCICIO 308

315 …… +

100%

945

+ …… x

945 × 100

= 300%

315

Decir; por simple inspección, ¿qué % de

-1. 200 es 2?

200 = 100%

1 = 100

200 % = 1 2 %

Luego: 2 = 2 × 1 2 % = 1%

-2. 9 es 3?

9 = 100%

1 = 100

9 %

Luego:

3 = 3 × 100

9 % = 100

3 % = 33 1 3 %

-3. 12 es 3?

12 = 100%

1 = 100

12 % = 25

3 %

Luego: 3 = 3 × 25

3 % = 25%

-4. 15 es 3?

15 = 100%

1 = 100

15 % = 20

3 %

Luego: 3 = 3 × 20

3 % = 20%

-5. 18 es 6?

18 = 100%

1 = 100

18 % = 50

9 %

Luego:

6 = 6 × 50

9 % = 100

3 % = 33 1 3 %

-6. 24 es 3?

24 = 100%

1 = 100

24 % = 25

6 %

Luego: 3 = 3 × 25

6 % = 25

2 = 12 1 2 %

-7. 30 es 6?

30 = 100%

1 = 100

30 % = 10

3 %

Luego: 6 = 6 × 10

3 % = 20%

-8. 18 es 9?

18 = 100%

1 = 100

18 % = 50

9 %

Luego: 9 = 9 × 50

9 % = 50%

-9. 8 es 6?

8 = 100%

1 = 100

8 % = 25

2 %

Luego: 6 = 6 × 25

2 % = 75%

-10. 10 es 4?

10 = 100%

1 = 10%

Luego: 4 = 4 x 10% = 40%

-11. 20 es 12?

20 = 100%

1 = 5%

Luego: 12 = 12 x 5% = 60%

-12. 40 es 32?

40 = 100%

1 = 100

40 % = 5 2 %

Luego: 32 = 32 × 5 2 % = 80%

-13. 18 es 1.8?

18 = 100%

1 = 100

18 % = 50

9 %

Luego:

LEONARDO F. APALA TITO 422

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