Tim hieu cua so thap phan lon nhat co cac chu so le khac nhau va so thap phan nho nhat co cac chu so chan khac nhau
Bai 1,Cho 5 chữ số 0:1:2:3:4
a, Viet cac so co 4 chu so khac nhau tu 5 chu so da cho.Co tat ca bao nhieu so ?
b,Tim so chan lon nhat ,so le nho nhat co 4 chu so khac nhau duoc viet tu 5 chu so da cho
a la so lon nhat co nhat co 5 chu so kac nhau chia cho 5 du 3
b la so be nhat co nhat co 5 chu so khac nhau chia cho 3 du 2
tim hieu a va b ..
so lon nhat co cac chu so khac nhau ma tong cua cac chu so do la 26 . tim 2 so do
tim so tu nhien lon nhat co cac chu so khac nhau vo tong cac chu so = 26
Hay viet them vao ben phai, ben traicua so 35 moi ben mot so de nhan duoc chu so chan lon nhat co 4 chu so khac nhau ma chia cho 3 du 2, chia 5 du3
Hay viet them vao ben trai va ben phai so 56. Moi ben 1 chu so de nhan duoc so chan lon nhat co 4 chu so khac nhau. Ma khi chia so do cho 3 thi du 2, chia cho 5 thi du 3
Tim so tu nhien lon nhat co cac chu so khac nhau ma tong cac chu so cua no bang 20 .Tim so do ?
mot phep chia co so chia la so chan nho nhat co 3 chu so khac nhau thuong la so be nho nnhat co hai chu so khac nhau voi so du la so chan nho nhat co hai chu so giong nhau tim so bi chia
