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auhoang
2 năm trước
1) So Sánh a) 227 và 318 b) 3363 và 4242 2) Tìm x a) (x + 1)3= 64 3n= 34 b) (2x – 3)2 = 36 => n = 4 c) 5x+2 + 5x+1 + 5x = 19375 3) Chứng Minh a) 7200 – 7205 + 7204 chia hết cho 43
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