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contoh:
- KOMUTATIF
a-b = b-a
9-5 = 5-9
9-5 hasilnya 4, sedangkan 5-9 hasilnya -4
-ASOSIATIF
(a-b)-c = a-(b-c)
(9-4)-1 = 9-(4-1)
(9-4)-1 hasilnya 4. sedangkan 9-(4-1) hasilnya 6
semoga bisa membantu ^^