bài này ko tìm được đáp án vì tổng 3 số đó là 6 . 3 = 18
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TIM MOT SO CO 3 CHU SO IET TRUNG BINH CONG 3 CHU SO CUA SO DO LA 6 BIET CHU SO HANG TRAM GAP 3 CHU SO HANG CHUC CHU SO HANG CHUC HON CHU SO HANG DON VI LA 3
tim so co 3 chu so. Biet trung binh cong cua 3 chu so la 2 va chu so hang tram bang tong chu so hang chuc va hang don vi. Tim 3 chu so do ?
tim so co chu so biet trung binh cong cua 3 chu so bang 2 va chu so hang tram bang tong cac chu so hang chuc va hang don vi
Tim so co 3 chu so,biet trung binh cong cua cac chu so do la 6 va chu so hang tram gap 3 lan chu so hang don vi.
tim so co 3 chu so lon nhat co cac chu so khac nhau ma cac chu so hang don vi bang trung binh cong cua chu so hang tram va chu so hang chuc . tim so do
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