Jawabanmu

2014-09-10T19:03:40+07:00
A.1+3+5+7+9=25 25×10=250 250+50+100+150+200+259+300+350+400+450+500=3000 B.1-2+3-4+5-6+7-8=.. 1-2=-1 3-4=-1 5-6=-1 7-8=-1 50×-1=-50
2014-09-10T19:07:49+07:00