Jawabanmu

Jawaban paling cerdas!
2014-08-19T19:49:26+07:00
*Buka kurung*
1. -3m + 4n - 6 + 7n - 8m + 10 = -11m + 11n + 4
2. 15a + 7b - 5c -11a -12b + 13d = 4a -5b -5c + 13d
3. -3m + 4n - 5 -7n + 9m -10 = 6m - 3n -15
4. 15a + 7b - 5c + 11a + 10b -10c = 26a + 17b - 15c
5. 13a - 8b + 12a + 9b = 25a + b
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