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2415a<br />
x<br />
2 = 2⋅2 x<br />
2 = 2 ⋅2<br />
x<br />
2 = 2<br />
x = 1001<br />
1000<br />
1 1000<br />
1001<br />
( identifiering ger)<br />
2422a<br />
1 1<br />
10 100<br />
10 ^ (-2)<br />
− 2<br />
10 = = = 0,01<br />
2<br />
2423b−a<br />
8= 222 ⋅ ⋅ = 2<br />
3 st<br />
2424d<br />
(1010) (1010) (10 ⋅ 10 ) = (10 ) =<br />
4( ⋅−2) −8<br />
1<br />
10 = 10 = 8<br />
10<br />
0,00000001<br />
(10 ∗10<br />
^ 3) ^ (-2)<br />
=<br />
3<br />
⋅<br />
3 −2 =<br />
1<br />
⋅<br />
3 −2<br />
=<br />
1 3 −2 4 −2<br />
2425e<br />
0 2 − 3 0+ 2 + ( −3)<br />
5 ⋅5 ⋅ 5 = 5 =<br />
−1<br />
1 1<br />
5 = = = 1 5<br />
1<br />
5 5<br />
2426a<br />
2 ⋅ 2 = 2 = 2 = 2<br />
5 − 6 5 + ( −6) 5−6 −1<br />
2426d<br />
−5<br />
2<br />
= 2 = 2<br />
7<br />
2<br />
−− 5 7 −12<br />
LÖSNINGAR DEL B<br />
2415b−c<br />
x 300 300 300<br />
3 = 3 + 3 + 3<br />
x<br />
3 = 3⋅3 x<br />
3 = 3 ⋅3<br />
x<br />
3 = 3<br />
x = 301<br />
3 st termer<br />
300<br />
1 300<br />
301<br />
( identifiering ger)<br />
2422c<br />
1 3 1<br />
5<br />
3∗5^(-2) 1 25<br />
−2<br />
35 ⋅ = 3⋅ = ⋅ = 0,12<br />
2<br />
2423d<br />
− c<br />
1 1 1<br />
18= = = = 2 3<br />
8 2 ⋅2⋅2 2<br />
2424 f<br />
3 st<br />
2 0 20 ⋅ 0<br />
(10 ) = 10 = 10 = 1<br />
∗ allting upphöjt till 0 blir 1<br />
∗<br />
−3<br />
2425 f<br />
(5 5 5 ) (5 5 5 )<br />
(5 ) = (5 ) = 5 =<br />
1 1<br />
5 125<br />
⋅<br />
0<br />
⋅<br />
2 −1 =<br />
1<br />
⋅<br />
0<br />
⋅<br />
2 −1<br />
=<br />
1+ 0+ 2 −1 3 −1 3( ⋅ −1)<br />
−3<br />
5 = = = 1125<br />
3<br />
2426b<br />
(2 ) = 2 = 2<br />
−3 −2 ( −3)( ⋅ −2)<br />
6<br />
2426e<br />
2 ⋅ 2 = 2 = 2<br />
−6 6 − 6+ 6 0<br />
2421a−b<br />
1 1<br />
7 7<br />
2121c−d<br />
1 1<br />
= = =<br />
4 16<br />
−1<br />
7 = = = 1 7<br />
1<br />
−2<br />
4 116<br />
2<br />
2422d<br />
1 8 1 8<br />
⋅ = ⋅ = ⋅ = =<br />
2 1 16 16<br />
8∗2^(-4) 36<br />
−4<br />
82 8 0,5<br />
4<br />
2424b<br />
− 1<br />
=<br />
2<br />
1<br />
= =<br />
8<br />
3 1<br />
(2 ) 1 8<br />
3<br />
2425b<br />
(5 ) = 5 = 5<br />
1<br />
=<br />
1<br />
= 1 625<br />
2 −2 2( ⋅−2) −4<br />
4<br />
5 625<br />
2426c<br />
−5<br />
2<br />
= 2 − 7<br />
2<br />
= 2 = 2<br />
−5 −( −7) − 5+ 7 2<br />
2426 f<br />
10<br />
2<br />
− 10<br />
2<br />
= 2 = 2 =<br />
2<br />
10 −− ( 10) 10+ 10 20