Các câu hỏi tương tự
cho 4 chu so khac nhau hoi co the lap duoc nhieu nhat bao nhieu so co 4 chu so du mat 4 chu so da cho
co the lap nhieu nhat ... thoa man dau bai
cho 4 so 0;1;2;3; hoi lap duoc bao nhieu so co 4 chu so khac nhau,bao nhieu so co 3 chu so khac nhau,bao nhieu so co 2 chu so khac nhau
cho5 chu so 2;5;0;6;1; co the lap nhieu nhat bao nhieu so co hai chu so khac nhau
Cho tap hop bon chu so (0;1;2;3) Co the lap duoc bao nhieu so khac nhau . Tu tap hop cac chu so da cho
cho 4 chu so a.b,c,o
[a, b,c,o khac nhau va khac 0 voi cung ca 4 chu so nay co the lap duoc bao nhieu so co 4 chu so
Voi 8 so:0,1,2,3,4,5,6,7
a, Hoi co the lap duoc bao nhieu so khac nhau co 6 chu so
b,Hoi co the lap duoc bao nhieu so khac nhau ko co so 3,co so 3
cho 5 chu so khac nhau voi cung ca 5 chu so nay co the lap dc bao nhieu so co 5 chu so
cho 5 chu so 2,5,7,9,4 co the lap duoc bao nhieu so co 2 chu so khac nhau tu cac so tren
cho 4 chu so a,b,c,d va so 0(a,b,c,d hkac nhau va khac 0 )voi cung ca 4 chu so nay , co the lap duoc bao nhieu so co 4 chu so