HO P =2+2^2+2^3+2^4+2^5+2^6+2^7+2^8+2^9+2^10
Chung minh P chia het cho 3
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Toán lớp 6
HO P =2+2^2+2^3+2^4+2^5+2^6+2^7+2^8+2^9+2^10
Chung minh P chia het cho 3
