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= 6 (pangkat 3 + pangkat 2 + pangkat 4)
= 6 pangkat 9
B: A pangkat 3 x A pangkat 2 : A pangkat 4
= A (pangkat 3 + pangkat 2) : A pangkat 4
= A pangkat 5 : A pangkat 4
= A (pangkat 5 - pangkat 4)
= A pangkat 1
= A