Đáp án:
$\\$
`(3 - 1/4 + 2/3) - (5 + 1/3 - 6/5) - (6 - 7/4 + 3/2)`
`= 3 - 1/4 + 2/3 - 5 - 1/3 +6/5 - 6 + 7/4 - 3/2`
`= (3 - 5 - 6) + (-1/4 + 7/4 - 3/2) + (2/3 -1/3) + 6/5`
`= (-2 - 6) + (-1/4 + 7/4 - 6/4) + 1/3 + 6/5`
`= -8 + 0 + 1/3 + 6/5`
`= -8 + 1/3 + 6/5`
`= (-120)/15 + 5/15 + 18/15`
`= (-120 + 5 + 18)/15`
`= (-97)/15`