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Calculati suma vectorilor
c) (4;8) si (4; -3)
d)( 3/4 (3 patrimi ) ; 0 ) si ( -1/2 (minus o doime ) ;7)


Răspuns :

c. (4,8) + (4 ,-3 ) = ( 4+4 , 8-3 )=(8 , 5(
d. ( 3/4  ,0) + ( -1/2 ,7)= ( 3/4 -1/2  , 0+7)= ( 1/4 ,7)