Jawabanmu

2014-08-04T17:03:07+07:00
-34 + 248 + 64 = 248 + (64 - 34) = 248 + 30 = 278
-34 + 248 = 214 + 64 = 278
-34+248=214+64=278
Jawaban paling cerdas!
2014-08-04T17:04:30+07:00