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Thanhphuc54
2 năm trước
mk giải 1 bài như sau các bn xem có đúng k giúp mk vs nhé: B=3^10.11+3^10.5/3^9.2^4 =3^10.(11+5/3^9)/3^9.2^4 =3^10.16/3^9.2^4 =3^10.2^4/3^9.2^4 =3^1=3
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