2 y 3 - Amolasmates

2 y 3 - Amolasmates 2 y 3 - Amolasmates

amolasmates.es
from amolasmates.es More from this publisher
29.06.2013 Views

8. Idem: a) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ 6 5 3 0 3 5 7 2 2 2 2 2 2 2 2 b) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ − − − − 3 2 2 1 1 3 4 3 5 5 2 2 5 5 2 2 c) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ − − − − 4 5 1 3 5 4 2 2 3 7 3 7 3 7 3 7 3 d) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ − − − − 2 3 5 1 4 2 3 2 1 8 7 5 3 5 7 3 7 5 7 3 e) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ 4 3 30 6 5 3 2 32 2 16 8 2 2 4 2 f) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ 27 125 5 25 45 5 3 15 3 2 3 2 2 g) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ 36 48 16 3 27 108 3 18 12 6 2 2 2 2 2 3 h) ( ) ( ) = ⋅ ⋅ − − − 3 2 3 -3 5 4 3 2 2 2 2 : 2 : 2 2 i) ( ) = ⋅ ⋅ ⋅ ⋅ − − 2 2 3 2 3 2 2 3 · 27 5 45 5 5 15 j) = ⋅ ⋅ ⋅ ⋅ ⋅ − − 8 2 100 5 4 ) (2 2 2 3 5 3 1 k) ( ) ( ) = −2 2 2 3 2 3·2 : 2 3 : 2 : 3 l) = − − − − − 3 2 2 2 1 3 3 ·3 ·16 6 3) ·( ·12 ·8 2 m) ( ) = − − − − − 3 3 6 5 3 1 5 4 2 4 3 · ·3 ·2 18 ·2 ·3 ·2 ·9 6 n) ( ) ( ) ( ) ( ) ( ) = ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ − − − − − − − 3 2 7 2 1 3 2 3 2 2 3 2 2 2 3 18 2 2 3 3 14

o) −3 2 ( 6a b ) ( 2ab) −4 18 2· 3 20 3 − 3 −3 3 −2 −3 -3 2 2 p) 4 ⋅ ( 3 ) ⋅ 27 ⋅ 32 · ( 36 ) 2 6 2 −3 5 −3 ( ) ⋅ ( ) ⎡ −2 2 8 · 2 9 · 24 · ( 3 ) 18 = 2 5 4 q) ( − x y) ( − y ) −3 ( ) ( ) ( ) = 2 3 6 − y − x − y 3 −2 −3 ⎢⎣ −2 −2 ⎤ ⎥⎦ −5 2 −4 r) 2 ·(3 ) ·( −8) ·(6 ) = −2 3 −1 −3 −2 −3 [( −9) )] ·16 ·4 ·[( −3) ] ⎡ −3 s) ( 10x yz) ⎢ −2 − ⎢ ( 5xy z) ⎣ −3 −4 4 ⎤ ⎥ ⎥⎦ −1 −2 t) ( −3) · 15 · ( −25 ) · 5 = −2 2 2 4 [( −45) ] · 9 · ( −5) = −2 −2 = −3 9. Calcular el valor de las siguientes expresiones, aplicando en todo momento las propiedades de las potencias (¡no vale calcular el valor de las potencias de exponente elevado!). En la mayor parte de los casos, bastará con sacar como factor común la mayor potencia posible. Fíjate en el 1 er ejemplo: a) b) − = 15 16 15 2 2 2 · c) 30 7 2 32 31 30 2 + 2 + 2 = d) = + 9 9 9 2 2 2 6 5 2 − e) · 2 = 5 3 2 18 18 18 2· 3 2· 3 2· 3 2 = = = · = = 18 2 18 18 3 (3 − 1) 3 (9 − 1) 3 8 8 1 4 15

8. Idem:<br />

a) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

6<br />

5<br />

3<br />

0<br />

3<br />

5<br />

7<br />

2<br />

2<br />

2<br />

2<br />

2<br />

2<br />

2<br />

2<br />

b) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

−<br />

−<br />

−<br />

−<br />

3<br />

2<br />

2<br />

1<br />

1<br />

3<br />

4<br />

3<br />

5<br />

5<br />

2<br />

2<br />

5<br />

5<br />

2<br />

2<br />

c) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

−<br />

−<br />

−<br />

−<br />

4<br />

5<br />

1<br />

3<br />

5<br />

4<br />

2<br />

2<br />

3<br />

7<br />

3<br />

7<br />

3<br />

7<br />

3<br />

7<br />

3<br />

d) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

−<br />

−<br />

−<br />

−<br />

2<br />

3<br />

5<br />

1<br />

4<br />

2<br />

3<br />

2<br />

1<br />

8<br />

7<br />

5<br />

3<br />

5<br />

7<br />

3<br />

7<br />

5<br />

7<br />

3<br />

e) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

4<br />

3<br />

30<br />

6<br />

5<br />

3<br />

2<br />

32<br />

2<br />

16<br />

8<br />

2<br />

2<br />

4<br />

2<br />

f) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

27<br />

125<br />

5<br />

25<br />

45<br />

5<br />

3<br />

15<br />

3<br />

2<br />

3<br />

2<br />

2<br />

g) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

36<br />

48<br />

16<br />

3<br />

27<br />

108<br />

3<br />

18<br />

12<br />

6<br />

2<br />

2<br />

2<br />

2<br />

2<br />

3<br />

h) ( )<br />

( )<br />

=<br />

⋅<br />

⋅<br />

−<br />

−<br />

−<br />

3<br />

2<br />

3<br />

-3<br />

5<br />

4<br />

3<br />

2<br />

2<br />

2<br />

2<br />

:<br />

2<br />

:<br />

2<br />

2<br />

i)<br />

( )<br />

=<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

−<br />

−<br />

2<br />

2<br />

3<br />

2<br />

3<br />

2<br />

2<br />

3<br />

·<br />

27<br />

5<br />

45<br />

5<br />

5<br />

15<br />

j) =<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

−<br />

−<br />

8<br />

2<br />

100<br />

5<br />

4<br />

)<br />

(2<br />

2<br />

2<br />

3<br />

5<br />

3<br />

1<br />

k) ( )<br />

( )<br />

=<br />

−2<br />

2<br />

2<br />

3<br />

2<br />

3·2<br />

:<br />

2<br />

3<br />

:<br />

2<br />

:<br />

3<br />

l) =<br />

−<br />

−<br />

−<br />

−<br />

−<br />

3<br />

2<br />

2<br />

2<br />

1<br />

3<br />

3<br />

·3<br />

·16<br />

6<br />

3)<br />

·(<br />

·12<br />

·8<br />

2<br />

m)<br />

( )<br />

=<br />

−<br />

−<br />

−<br />

−<br />

−<br />

3<br />

3<br />

6<br />

5<br />

3<br />

1<br />

5<br />

4<br />

2<br />

4<br />

3<br />

·<br />

·3<br />

·2<br />

18<br />

·2<br />

·3<br />

·2<br />

·9<br />

6<br />

n) ( ) ( ) ( )<br />

( ) ( )<br />

=<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

⋅<br />

−<br />

−<br />

−<br />

−<br />

−<br />

−<br />

−<br />

3<br />

2<br />

7<br />

2<br />

1<br />

3<br />

2<br />

3<br />

2<br />

2<br />

3<br />

2<br />

2<br />

2<br />

3<br />

18<br />

2<br />

2<br />

3<br />

3<br />

14

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!