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Co bao nhieu so tu nhien co 2 chu so ma chu so hang chuc lon hon chu so hang don vi
co bao nhieu so co 2 chu so ma chu so hang chuc be hon hang don vi
co bao nhieu so co 2 chu so ma hang chuc lon hon hang don vi
co bao nhieu so tu nhien co hai chu so ma chu so hang chuc lon hon hang don vi
co bao nhieu so tu nhien co 2chu so ma chu so hang chuc hon honhang don vi
co may stn co 2chu so ma chu so hang chuc hon chu so hang don vi
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
tim so co 3 chu so biet tong 3 so la 21 tong ba chu so gap ba lan hang tram chu so hang chuc hon chu so hang don vi 4. So can tim la violympic
1 a) Co bao nhieu so tu nhien co 2 chu so khac nhau ?
b) Co bao nhieu so tu nhien co 2 chu so khac nhau ma trong moi so co chu so hang chuc be hon chu so hang don vi ?
2 De danh so trang cua 1 quyen sach day 150 trang can danh bao nhieu lan cac chu so ?
mik hua se k cho ban nao lam day du va dung nhat huhu
