ayuda cuanto dan estas operaciones: -5/4+(-3/2)+1/2=
y esta (1/2*8/3) - (-1/2*2/59)
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-5/4+ (-3/2)+ 1/2= -5/4 -3/2+ 1/2= -[5/4+ 3/2] + 1/2= - [ 5/4+ (3•2)/(2•2) ]+ 1/2= - [5/4+ 6/4]+ 1/2= - 11/4+ 1/2= -[11/4- 1/2]= - [ 11/4- (1•2)/(2•2)]= - [11/4- 2/4]= - 9/4= -2 1/4
-5/4+ (-3/2)+ 1/2= -1 1/4- 1 1/2+ 1/2= - 1 1/4- 1 - 1/2+ 1/2= - 1 1/4 -1 = -2 1/4
(1/2• 8/3)- -(1/2• 2/59)= 1/2• (8/3 - (-2/59)= 1/2• (8/3+ 2/59)= 1/2• ( (8•59)/(3•59) + (3•2)/(59•3) ) =1/2• (472/177+ 6/177)= 1/2• 478/177= 1/1• 239/177= 239/177= 1 62/177
(1/2• 8/3)- (- 1/2• 2/59)= (1/1• 4/3)- (- 1/1• 1/59)= 4/3+ 1/59= (4•59)/(3•59)+ (3•1)/(3•59)= 236/177+ 3/177= 239/177= 1 62/177
-5/4+ (-3/2)+ 1/2= -1 1/4- 1 1/2+ 1/2= - 1 1/4- 1 - 1/2+ 1/2= - 1 1/4 -1 = -2 1/4
(1/2• 8/3)- -(1/2• 2/59)= 1/2• (8/3 - (-2/59)= 1/2• (8/3+ 2/59)= 1/2• ( (8•59)/(3•59) + (3•2)/(59•3) ) =1/2• (472/177+ 6/177)= 1/2• 478/177= 1/1• 239/177= 239/177= 1 62/177
(1/2• 8/3)- (- 1/2• 2/59)= (1/1• 4/3)- (- 1/1• 1/59)= 4/3+ 1/59= (4•59)/(3•59)+ (3•1)/(3•59)= 236/177+ 3/177= 239/177= 1 62/177
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