Jawabanmu

2014-08-19T16:25:02+07:00
1. 270 : (-30) = -9
2. 8 x (-25) = -200
3. -9 + (-200) -300 = -509
jadi hasilnya adalah -509
2014-08-19T16:25:56+07:00
270 : (-30)+8X(-25)-300=
270 : (-30)= -90
8X(-25)= -400
-90+(-400)-300= -10