so lon nhat trong cac so 1/20 , 15% va 0,051 [ ai cha loi duoc minh se tick cho nguoi y]
cho 3 chu so a,b,c khac 0 ;a>b>c
a,lap duoc bao nhieu so co 3 chu so ?[trong cac so tren ko so nao duoc lap lai 2 lan]
b,biet tong cua tat ca cac so vua lap 3330.hieu cua so lon nhat va so be nhat trong cac so do la 594 tim 3 chu so a,b,c
so tu nhien lon nhat co ba chu so ma tong cac chu so bang 15 la so nao?
so tu nhien lon nhat cocac chu so khac nhau ma tong cac chu so cua no =24;30 la cac chu so nao
phan so nao lon nhat va co gia tri lon hon 2
so tu nhien lon nhat co 4 chu so khac nhau ma tong cac chu so bang 21 la so nao
so tu nhien lon nhat co 4 chu so khac nhau ma tong cac chu so bang 21 la so nao?
so tu nhien lon nhat co tich cac chu bang 420 la so nao
so tu nhien lon nhat co ba chu so ma tong cac chu so bang 17 la so nao