cho mot so co 3 chu so:
chu so hang don vi hon chu so hang chuc la 2 don vi.
chu so hang chuc kem chu so hang tram la 1 don vi
hoi neu doi chu so hang don vi va hang tram cho nhau thi so da cho tang hay giam bao nhieu don vi
co bao nhieu so co 2 chu so ma chu so hang don vi la 7
co tat ca bao nhieu so tu nhien co 2 chu so ma chu so hang chuc nho hon hang don vi
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
co bao nhieu so co 3 chu so ma tong chu so hang tram va hang chuc bang hang don vi giai ho minh nh xong roi thi ket ban nha
Co bao nhieu so co hai chu so ma so do gap 21 lan hieu cua chu so hang chuc va hang don vi
nhung so tu nhien co chu so hang don vi la 4 hoac 9 khi chia cho 5 thi co so du la bao nhieu
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
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!