Jawabanmu

2014-08-26T18:54:25+07:00
12 x (-428) - 408:3
= - 5136 - 136
= - 5272
1 5 1
2014-08-26T18:55:28+07:00
12×(-428)-408:3=-5136-136=-5136+(-136)=-5272
2 1 2