Question

1) As letras a, b e c representam valores diferentes
A= 1/2 , B= 5/3. e C= -1


ll) (B+C)-A =



lll) [A+(B+C ) =



v) -A- (B+C ) =


Vl) -A- ( - B + C ) + A + B =







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Answer 1

II)3/4

III) 4/7

v)6/7

VI) 4/2=2