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12/13,34/31,11/14,33/32,15/15[tim phan so lon nhat va phan so be nhat]
1.tim so bi chia trong phep chia cho 12 co thuong la 35 va so du la so le co 2chu so2.hieu cua so lon nhat co 4 chu so khac nhau va so nho nhat co 4 chu sola bao nhieu3.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 nhat4.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 nhat5.tim y biet (5/7 - y) nhan 4/5 7/10 + 1/26.hieu 2 so 1/3 so be.To...
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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
tong hai so la so lon nhat co hai chu so tim hieu hai so do biet neu xoa chu so 0 o ben phai so lon ta duoc so be
Tim hai so biet tong cua chung la 990 va neu them vao ben phai tan cung so be nhat mot chu so 0 thi ta đuợc so lon
tim so thap phan biet neu dich dau phay cua so do sang phai mot chu so ta duoc so le be nhat co ba chu so khac nhau
tong hai so la so nho nhat co 4 chu so neu lay so lon chia cho so be duoc thuong la so nho nhat co 1 chu so tim so lon
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..............
tim so thap phan lon nhat co 4 chu so khac nhau tim so thap phan be nhat co bon chu so khac nhau
Cho 3 số trong do hieu so lon nhat va so be nhat la 4.8.Neu dem 1 so nhan 12,mot so nhan 15,mot so nhan10 thi duoc 3 so bang nhau. tim 3 so do