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Uppgifter i läsanvisningen

Uppgift B4.1

T.ex. 3 =    (-6)3 +(3)7;
         7 = (-14)3 + (7)7;
         0 =    (7)3 + (-3)7;
        -7 =  (14)3 + (-7)7;
        40= (-80)3 + (40)7.
 

Uppgift B4.2

(a) { -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};

(b) { -12, -10,  -8, -6, -4, -2, 0,  2, 4, 6, 8, 10, 12};

(c) { -12, -9, -6, -3, 0, 3, 6, 9, 12}.
 

Uppgift B4.3

(a) sgd(3,7) = 1, så L= {1x  | x in Z} = Z;

(b) sgd(4,6) = 2, så L= {2x  | x in Z} = {0, +- 2, +- 4, +- 6, . . . };

(c) sgd(6,9) = 3, så L= {3x  | x in Z} = {0, +- 3, +- 6, +- 9, . . . }.




© Pia Heidtmann
MID SWEDEN UNIVERSITY
Department of Engineering, Physics and Mathematics
Mid Sweden University
S-851 70 SUNDSVALL
Sweden
Updated 080101