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CO BAO NHIEU NAM CUA THE KI XXI THOA MAN DIEU KIEN CHU SO O HANG NGHIN BANG TONG CAC CHU SO O CAC HANG CON LAI
Tim cac so tron chuc co 5 chu so khac nhau,biet rang chu so hang chuc nghin la 5;tong cua 4chu so con lai la 8.Co tat ca bao nhieu so thỏa man de bai ? Sap xep cac so tim duoc theo thu tu tu lon den be.
ban an phai tim tat ca cac so co 3 chu so lon hon 500 ma tong cac chu so cua moi so do deu bang 12 dong thoi chu so hang don vi bang trung binh cong cua chu so hang tram va hyang chuc hoi ban an tim duoc nhieu nhat bao nhieu so thoa man yeu cau
Ban An phai tim tat ca cac so co 3 chu so lon hon 500 ma tong cac chu so cua moi so do deu = 12, dong thoi chu so hang don vi = trung cong cua chu so hang tram va hang chuc. Hoi ban An tim duoc nhieu nhat may so thoa man yeu cau?
Mot bqn khi tim tat ca cac so co 6 chu so biet tong cac chu so cua no la 48 va khi viet cac chu so do theo thu tu nguoc lai thi so do khong thay doi .hoi ban ay tim duoc nhieu nhat bao nhieu so thoa man yeu cau
co bao nhieu so co ba chu so ma trong cac so do tong hai chu so o hang tram va hang chuc bang chu so hang don vi
Nhung năm nào cua the ki XIX co tong cac chu so cua nam do bang 22 ?
co bao nhieu so co sau chu so ma tong cac chu so cua no bang 2 ?
thung 1 co 24 goi. thung 2 it hon thung 1 8 goi. thung 3 nhieu hon trung binh cong cua 3 thung la 8 goi. hoi thung thu 3 co bao nhieu goi?
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mot doi trong cay, moi ban man trong 4 cay.moi ban nu trong 3 cay. doi do trong duoc 147 cay. hoi co bao nhieu ban nu?
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co bao nhieu so co 3 chu so ma tong cua hang tram va hang chuc bang chu so hang don vi?
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tim 4 so tu nhien lien tiep, biet so dung truoc kem so dung sau 15 don vi . tinh tong cua 4 so
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giup minh nhe cac ban!