Jawabanmu

2014-09-09T19:10:54+07:00
Jawaban paling cerdas!
2014-09-09T19:11:06+07:00
1. (13A+12A)+(-8B+9B)
    25A+B
2. (15I+14B+13K)+(-30I-45J+51K)
    15L-30L+14B+13K+51K+45J
     -15L+14B+64K+45J

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