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nguyengoctuongvy.97.2015
2 năm trước
a) 125^8 : 5^4 b) x^6 : x . x^3 c) 3 . 5^2 - 16 : 2^2 d) (39 . 42 - 37 . 42) : 42 e) 2448 : {119 - (23-6)} f) 100 - [85 - (7 - 3)^2]
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