NÅGRA KOMMENTARARER TILL LÖSNINGARNA

NÅGRA KOMMENTARARER TILL LÖSNINGARNA NÅGRA KOMMENTARARER TILL LÖSNINGARNA

22.09.2013 Views

2211a 3 64 4 x 3 (64) 2212a 2 64 4096 64 ^ 2 2213a 3 64 262144 64 ^ 3 2214a 13 13 13 2215a 2 x = 5 x = 25 2216a x = 6 ( ) 2 x x = 36 2211b 3 0,125 0,5 LÖSNINGAR DEL B x 3 (0.125) 2212b 2 0,1 0,01 0.1^ 2 2213b 3 0,2 0,008 0.2 ^ 3 2214b ⋅ ( ) 2 = 6 2 2217a 3 5 1,70998 1, 71 för stort = 3 15 15 2215b 3 x = 5 x = 125 2216b 3 x = 4 3 ( x ) 3 x = 64 = 4 2217b 6 = 1,81712 1,81 3 2211c 3 0,008 0,2 x 3 (0.008) 2212c 2 0,02 0,0004 0.02 ^ 2 2213c 3 0,5 0,125 0.5 ^ 3 2214c 3 7 7 3 7 3 7 2211d 3 27 27 3 = 3 64 64 34 x 3 (27⎦64) 2212d 2 2 ⎛5⎞ 5 ⎜ ⎟ = ⎝7⎠ 7 25 49 2 (5⎦7) ^ 2 2213d 3 3 ⎛1⎞ 1 ⎜ ⎟ = ⎝2⎠ 2 18 1⎦2 ^3 2214d ⋅ ⋅ ( ) 3 3 2215c 4 x = 5 x = 625 2216c x = 9 ( ) 2 x x = 81 2217c 3 9 2,08008 2,08 = 9 = 3 2 2217d 12 = 2,28943 2,29 för stort 9 9 2216d 4 x = 2 4 ( x ) 4 x = 16 3 = 2 4 2218 x⋅x⋅ x= 7,53 3 x = 7,53 3 x = 7,53 x = 1,96 cm 29

2219a ( ) 2 3 10 49 + 4⋅ 125 −5⋅ 11 10⋅ 7 + 4⋅5−5⋅11 70 + 20 −55 35 x 10 √(49) + 4∗3 (125) −5 ∗( √(11)) ^ 2 2220a 25 25 = 36 36 56 √(25⎦36) 2221a x 3 (-1000) −10 2222 2 + 39 + 100 2+ 39+ 10 2+ 49 2+ 7 9 3 √(2 + √(39 + √(100))) LÖSNINGAR DEL B 2220b 49 49 = 81 81 79 √(49/81) 2221b 2222c 5 4 3 − 243 + 256 + 125 + 36 − 3+ 4+ 5+ 6 12 x 5 (32) x x x 5 (-243) + 4 (256) + 3 (125) +√(36) 2 2219b 4 64 + 36 −3289 −225 4 100 − 3 64 410 ⋅ −38 ⋅ 40 − 24 16 4 √(64 + 36) −3 √(289 −225) 2220c 3 3 27 27 = 3 1000 1000 310 x 3 (27 /1000) 2221c 3 x 4 (81) 2222b 3 3 3 32 + −125 ( ) 32 + −5 3 27 3 x x 3 (32 + 3 (-125)) 2220d 3 3 64 64 = 3 125 125 45 x 3 (64/125) 2221d x 6 (1000000) 10 30

2211a<br />

3<br />

64<br />

4<br />

x<br />

3 (64)<br />

2212a<br />

2<br />

64<br />

4096<br />

64 ^ 2<br />

2213a<br />

3<br />

64<br />

262144<br />

64 ^ 3<br />

2214a<br />

13 13<br />

13<br />

2215a<br />

2<br />

x = 5<br />

x = 25<br />

2216a<br />

x = 6<br />

( ) 2<br />

x<br />

x = 36<br />

2211b<br />

3 0,125<br />

0,5<br />

LÖSNINGAR DEL B<br />

x<br />

3 (0.125)<br />

2212b<br />

2<br />

0,1<br />

0,01<br />

0.1^ 2<br />

2213b<br />

3<br />

0,2<br />

0,008<br />

0.2 ^ 3<br />

2214b<br />

⋅ ( ) 2<br />

= 6<br />

2<br />

2217a<br />

3<br />

5 1,70998<br />

1, 71 för stort<br />

= 3<br />

15<br />

15<br />

2215b<br />

3<br />

x = 5<br />

x = 125<br />

2216b<br />

3 x = 4<br />

3 ( x )<br />

3<br />

x = 64<br />

= 4<br />

2217b<br />

6 = 1,81712<br />

1,81<br />

3<br />

2211c<br />

3 0,008<br />

0,2<br />

x<br />

3 (0.008)<br />

2212c<br />

2<br />

0,02<br />

0,0004<br />

0.02 ^ 2<br />

2213c<br />

3<br />

0,5<br />

0,125<br />

0.5 ^ 3<br />

2214c<br />

3<br />

7<br />

7<br />

3<br />

7<br />

3<br />

7<br />

2211d<br />

3<br />

27 27<br />

3 =<br />

3<br />

64 64<br />

34<br />

x<br />

3 (27⎦64) 2212d<br />

2 2<br />

⎛5⎞ 5<br />

⎜ ⎟ =<br />

⎝7⎠ 7<br />

25 49<br />

2<br />

(5⎦7) ^ 2<br />

2213d<br />

3 3<br />

⎛1⎞ 1<br />

⎜ ⎟ =<br />

⎝2⎠ 2<br />

18<br />

1⎦2 ^3<br />

2214d<br />

⋅ ⋅ ( ) 3<br />

3<br />

2215c<br />

4<br />

x = 5<br />

x = 625<br />

2216c<br />

x = 9<br />

( ) 2<br />

x<br />

x = 81<br />

2217c<br />

3<br />

9 2,08008<br />

2,08<br />

= 9<br />

= 3<br />

2<br />

2217d<br />

12 = 2,28943<br />

2,29 för stort<br />

9<br />

9<br />

2216d<br />

4 x = 2<br />

4 ( x )<br />

4<br />

x = 16<br />

3<br />

= 2<br />

4<br />

2218<br />

x⋅x⋅ x=<br />

7,53<br />

3<br />

x = 7,53<br />

3 x = 7,53<br />

x =<br />

1,96 cm<br />

29

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