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
tong cua hai so la so nho nhat co bon chu so neu lay so lon chia so nho duoc thuong la so lon nhat co mot chu so tim so lon
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.
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
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 .
1) X+x/3=24
2) Tim so bi chia trong phep chia cho 12 co thuong la 35 va so du la s le nho nhat co 4 chu so.
3) hieu cua so lon nhat co 4 chu so khac nhau va co so nho nhat co 4 chu so
Tìm hiệu của so thap phan lon nhat co cac chu so le khac nhau va so thap phan nho nhat co cac chu sochan khac nhau . Hieu can tim la
1.tim so bi chia trong phep chia cho 12 co thuong la 35 va so du la so le co 2chu so
2.hieu cua so lon nhat co 4 chu so khac nhau va so nho nhat co 4 chu sola bao nhieu
3.mot hinh chu nhat co chieu dai gap ruoi chieu rong. Neu moi chieu tang them 1m thi duoc hinh chu nhat moi co dien tich tang them 26m2. Tinh chu vi hinh chu nhat
4.trung binh cong cua 2 phan so bang 5/12. Phan so thu nhat hon phan so thu hai 1/6. Tim phan so thu nhat
5.tim y biet (5/7 - y) nhan 4/5 =7/10 + 1/2
6.hieu 2 so =1/3 so be.Tong 2 so la 63. Tim so be
tim 2 so khi biet tong la 11992 biet hieu cua chung la hieu cua so lon nhat co bon chu so va so lon nhat co ba chu so.