Tìm số tự nhiên x biết: a) 3 mũ x = 36 b) 4 mũ x+1=64 c) 2 mũ x + 2 mũ x+3=144 d) 3 mũ x + 3 mũ x+2=810 e) 8 mũ x : 2 mũ x= 16 mũ 2021. giải nhanh hộ mình

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