thua so thu nhat la so co bon chu so ,thua so thu hai la 9 ,tich la mot so co bon chu so.Chu so hang nghin cua thua so thu nhat la chu so nao ?

Tong cua bon so tu nhien la so lon nhat co bay chu so. Neu xoa di chu so hang don vi cua so thu nhat thi duoc so thu hai. So thu ba bang hieu cua so thu nhat va so thu hai. So thu nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so. Tim so thu tu.

Tich cua hai so la 0.06.Hoi:

a)Neu thua so thu nhat gap len 10 lan roi nhan voi thua so thu hai thi duoc tich moi la bao nhieu?

b)neu thua so thu nhat chuyen day phay sang ben phai hai chu so roi nhan voi thua so thu hai thi duoc tich moi la bao nhieu?

c)thua so thu nhat nhan voi 1000 lan thua so thu hai thi duoc tich moi la bao nhieu?

d)tich cua hai so da cho phai nhan voi so nao de co tich bang 600?

Giai tung phan mot

Tong cua 4 so tu nhien la so lon nhat co hai chu so .Neu xoa di chu so o hang don vi cua so thu nhat thi duoc so thu hai .So thu ba = hieu cua so thu nhat va so thu hai .So thu nhat la tich cua so be nhat co ba chu so va so co bon chu so .Tim so thu tu .
 

Ba thua ruong ,thua thu nhat la so be nhat co tam chu so,thua thu hai la so lon nhat co ba chu so ,thua thu ba la so be nhat co hai chu so.tinh trung binh cong ba thua ruong do?

khi nhan mot so nho nhat co 6 chu so khac nhau co hang tram nhgin bang 2 voi so co mot chu so ta duoc tich la 6 chu so vay thua so thu hai lon nhat co the bang.....

HSG

Tong cua bon so tu nhien la so lon nhat co 7 chu so .Neu xoa di chu so hang don vi cua so 1 thi duoc so 2. so thu 3 bang hieu cua so 1 va so 2.so be nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so .tim so thu 4

2: ban An co 170vien bi gom 2 loai :bi xanh va bi do .Ban An nhan thay 1/9 so bi xanh bang 1/8 so bi do .hoi ban An co bao nhieu bi moi loai 

tong cua hai so la so lon nhat co bon chu so biet mot so hang cua tong la so nho nhat co ba chu so tim so hang con lai