chu so 3 trong so thap phan nay co gia tri la gi? 78,93
chu so 7 trong so 62,357 co gia tri la
chu so 16 trong so 12,165 co gia tri la
chu so8 trong so 36,976 co gia tri la
tong cac chu so cua 1 so co 3 chu so la 21 chu so hang don vi lon hon chu so hang chuc .neu ta doi vi tri chu so hang don vi va chu so hang tram thi duoc mot so moi co gia tri lon hon so cu la 198. tim so cu .
giup mk nhe
chu so 16 trong so 12,165 co gia tri la
chu so 9 trong so thap phan 17.902 co gia tri la
chu so 2 trong 45,2398 co gia tri la
tong cua mot so co 3 chu so va 1 so co 2 chu so la mot chu so co 4 chu so. biet hai so hang va tong khong thay doi gia tri khi ta doc so do tu trai qua phai hoac tu phai qua trai. tim so co 3 chu so tren !