Các câu hỏi tương tự
so gom 15 trieu 3 van 9 nghin 7 tram 5 don vi viet la
so gom 20 van,ab tram va c don vi
2 tháng 11 2015 lúc 17:21
so gom 6 tram , 5 van va 6 chuc duoc viet la .................................
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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
Tim 1 so co 3 chu so biết chu so hang chuc bang tong chu so hang tram voi chu so hang don vi. Chia chu so hang tram cho chu so hang dọn vi ta được thương la 3 va du 1. Tich cua so tan cung voi 7 la mot so co chu so tan cung ben phai la 4
Tim so co 3 chu so co tong cac chu so la 20 va ti so giua chu so hang tram voi chu so hang don vi la 2 , con chu so hang chuc bang chu so hang tram
tim so co 3 chu so co tong cac chu so la 20 va ti so giua chu so hang tram voi chu so hang don vi la 2, con chu so hang chuc bang voi chu so hang tram.
giai ro rang nhe
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 1 phan so, biet rang neu cong them 2 don vi o tu so va bot 2 don vi o mau so thi duoc phan so moi co tong tu so va mau so la 97.Neu them vao tu so 7 don vi va bot 8 don vi o mau so thi duoc phan so moi co gia tri bang 1