tim phan so nho hon mot co tu so va mau so la 2so tu nhien lien tiep .tu so lon nhat co 3chu so khac nhau .........................................................neu dung xin cam on nhe
1.a Viet 5 so thap phan co gia tri lon hon 0,21 va nho hon 0,22
b Viet phan so nho nhat va lon nhat co tong cua tu va mau deu bang 2012
2.aTy so cua Ava B la 3/7,Ty so cua B va C la 5/6.Tim ty so cua A va C
b.Tim so ab nho nhat sao cho 2ab chia het cho 45
3.a Mot truong hoc co so hoc sinh nam chiem 25% tong so hoc sinh ca truong va nhieu hon so hoc sinh nu la 30 em.Hoi truong do co tat ca bao nhieu hoc sinh
b Mot qua dua nang hon 3/5 can nang cua no la 3 kg.Hoi qua dua do nang may kg
tim tong cua 2 so thap phan biet so thap phan thu nhat co phan nguyen la so lon nhat co mot chu so va phan thap phan la so lon nhat co 2 chu so khac nhau , so thu 2 hon so thu nhat 17,3.
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 cac phan so lon hon 5 phamn 6 va be hon 11 phan 12 ma co mau so la 48
tim cac phan so co tu so la 3 ma lon hon 1/6 nhung nho hon 1/5 ?
Ba so co tong = 188,75. Biet so thu nhat nho hon tong cua 2 so kia la 17,35 va so thu 2 lon hon tong 2 so kia la 2,46. Tim so thu 3
Nhanh len, can gap, lam duoc se co phan thuong. Ok
ta da biet 4/5 < 5/6. Hay viet 3 phan so co tu so be hon 100 ma 3 phan so do deu lon hon 4/5 va be hon 5/6
So cac so thap phan co 3 chu so phan thap phan ma cac so do lon hon 10 va nho hon 11 la