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Mathematics, 14.09.2021 14:00 darlenepitre
tìm phân số > 1/5 (không phải là số tự nhiên) biết rằng nếu lấy mẫu số nhân 2 và tử số cộng 2 thì giá trị phân số không đổi?
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tìm phân số > 1/5 (không phải là số tự nhiên) biết rằng nếu lấy mẫu số nhân 2 và tử số cộng 2 thì...
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