Jawabanmu

2014-09-07T13:46:09+07:00
2 1/2 × (-3/4) : (-1 7/8)

= 5/2 × (-3/4) : (-15/8)
= (-15/8) : (-15/8)
= (-15/8) × (-8/15)
= (-1) × (-1)
= 1

Maaf kalau ada yg salah :)