tim cac so tu nhien n de cac phan so sau viet duoc duoi dang phan so thap phan:a,n+2/300  b,11.(n-1)/924

So thap phan nho nhat co 4 chu so khac nhau o phan nguyen va phan thap phan viet duoc tu 5 chu so 0 , 1 , 2 , 3 , 4

co the viet duoc bao nhieu so thap phan tu cac chu so 0,3,6,8 .cac so thap phan do co 2 chu so o phan thap phan ma co du mat 4 chu so da cho

cho 4 chu so 0;2;4;8.tu cac chu so tren, hay viet so thap phan be nhat co mot chu so o phan thap phan moi chu so da cho xuat hien trong cach viet dung mpot lan .vay so thap phan be nhat can tim la..............

a,viet tat ca cac phan so co tich cua tu so va mau so la 2012 

b,ghi lôi doc cac phan so co gia tri nho nhat em vua viet duoc ở ý a

minh can gap lam nen ko viet dấu duoc , cac ban thong cam nhe !!!!!

nhanh + dung = tick

 co the viet duoc  bao nhieu  so thap phan co 3 chu so  khac nhau  tu cac chu so 1,2,3 trong cac  so viet duoc co bao nhieu so co 1 chu so o phan thap phan

tinh tong cac so tu nhien duoc viet ma co 3 chu so o phan thap phan duoc lap tu cac chu so 0,3,5,7

cho 4 chu so 0,2,4,8 tu cac so da cho hay viet so thap phan be nhat co mot chu so o phan thap phan [moi chu so da cho xuat hien trong cach viet dung mot lan]

tu cac chu so 2,4,6,8 viet duoc bao nhieu so  thap phan co 4 chu so khac nhau ma chi co 2 chu so o phan nguyen