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

2219a<br />

( ) 2<br />

3<br />

10 49 + 4⋅ 125 −5⋅ 11<br />

10⋅ 7 + 4⋅5−5⋅11 70 + 20 −55<br />

35<br />

x<br />

10 √(49) + 4∗3 (125) −5 ∗(<br />

√(11))<br />

^ 2<br />

2220a<br />

25 25<br />

=<br />

36 36<br />

56<br />

√(25⎦36)<br />

2221a<br />

x<br />

3 (-1000)<br />

−10<br />

2222<br />

2 + 39 + 100<br />

2+ 39+ 10<br />

2+ 49<br />

2+ 7<br />

9<br />

3<br />

√(2 + √(39 + √(100)))<br />

LÖSNINGAR DEL B<br />

2220b<br />

49 49<br />

=<br />

81 81<br />

79<br />

√(49/81)<br />

2221b<br />

2222c<br />

5 4 3<br />

− 243 + 256 + 125 + 36<br />

− 3+ 4+ 5+ 6<br />

12<br />

x<br />

5 (32)<br />

x x x<br />

5 (-243) + 4 (256) + 3 (125) +√(36)<br />

2<br />

2219b<br />

4 64 + 36 −3289 −225<br />

4 100 − 3 64<br />

410 ⋅ −38 ⋅<br />

40 − 24<br />

16<br />

4 √(64 + 36) −3 √(289<br />

−225)<br />

2220c<br />

3<br />

3 27 27<br />

=<br />

3<br />

1000 1000<br />

310<br />

x<br />

3 (27 /1000)<br />

2221c<br />

3<br />

x<br />

4 (81)<br />

2222b<br />

3 3<br />

3<br />

32 + −125<br />

( )<br />

32 + −5<br />

3<br />

27<br />

3<br />

x x<br />

3 (32 + 3 (-125))<br />

2220d<br />

3<br />

3 64 64<br />

=<br />

3<br />

125 125<br />

45<br />

x<br />

3 (64/125)<br />

2221d<br />

x<br />

6 (1000000)<br />

10<br />

30

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