Jawabanmu

2014-08-21T20:19:06+07:00
2014-08-21T20:19:37+07:00
A. 18+(-9)-(-6)= 18-9+6 = 15
B. -15-(-27)-(-10)= -15+27+10 = 22
C. -19+12-(-17)= -19+12+17 = 10