Jawabanmu

2014-09-11T16:35:01+07:00
-24-5+18-(15+9)
-24-5 + 18 -15 -9
= -29+18-15-9
= -11 - 15- 9
= -35
2014-09-11T16:36:07+07:00
24 + (-5+18) - 15- -9
=24 +13 -6
=24 + 7 = 31
=
1 5 1