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2222d<br />
3 ( 27 ) + ( 36 ) 5<br />
+ ( 2 ) 4 + ( 13)<br />
5 4<br />
2 3 5 4<br />
3 + 6 + ( 2) + ( 13)<br />
2 3 5 4<br />
9 + 216 + 2 + 13<br />
240<br />
LÖSNINGAR DEL B<br />
x x x<br />
(3 (27)) ^ 2 + ( √(36))<br />
^ 3 + (5 (2)) ^ 5 + (4 (13)) ^ 4<br />
2226a<br />
2<br />
x = 49<br />
x = ∓<br />
x = ∓7<br />
49<br />
x =− 7 x = 7<br />
1 2<br />
2227a<br />
( ) 2<br />
−0,1<br />
0,01<br />
0,1<br />
2231a<br />
56 + 90<br />
√<br />
106<br />
+<br />
2 2<br />
2 2<br />
(56 90 )<br />
2232a<br />
3368 = 58,03<br />
ej kvadrattal<br />
2233a<br />
105 <br />
Störst<br />
2 2<br />
60 + 45 ≈69,462<br />
2233d<br />
2001 − 2000 = 0,011<br />
<br />
Störst<br />
3001 − 3000 = 0,009<br />
2226b<br />
2<br />
x = 0,36<br />
x = ∓ 0,36<br />
x = ∓0,6<br />
x =− 0,6 x = 0,6<br />
1 2<br />
2227b<br />
36<br />
går ej<br />
2226c<br />
2<br />
x = 1<br />
x = ∓<br />
x = ∓1<br />
1<br />
x = − 1 x = 1<br />
1 2<br />
2227c<br />
− ( ) 2<br />
2231b<br />
97<br />
65 + 72<br />
√<br />
2 2<br />
2 2<br />
(65 + 72 )<br />
2232b<br />
4493 = 67,03<br />
ej kvadrattal<br />
2233b<br />
8 = 2,828<br />
5 + 3 = 3,968<br />
<br />
Störst<br />
−7<br />
49<br />
7<br />
2231c<br />
120 + 119<br />
√<br />
169<br />
+<br />
2 2<br />
2 2<br />
(120 119 )<br />
2232c<br />
7569 = 87<br />
kvadrattal<br />
2233c<br />
450 + 50 = 28,284<br />
<br />
Störst<br />
500 = 22,361<br />
2226d<br />
2<br />
x = 49<br />
x = ∓ 49<br />
x = ∓ 23<br />
x =− 23 x = 23<br />
1 2<br />
2227d<br />
( ) 2<br />
5<br />
− −<br />
−25<br />
går ej<br />
2231d<br />
600 + 481<br />
√<br />
769<br />
2 2<br />
2 2<br />
(600 + 481 )<br />
2232d<br />
8281 = 91<br />
kvadrattal<br />
31
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