a) \(\frac{11}{13};\frac{3}{7};\frac{101}{131}\)
b)\(\frac{15}{35}=\frac{3}{7};\frac{120}{350}=\frac{12}{35}\)
a) p/s tối giản là : 3/7 ; 11/13 ; 101 /131
b) rút gọn : 15/35=3/7 ; 120 / 350= 12/35
Cho cac phan so 5 / 7, 6 / 9 , 12 / 24 , 23 / 24 va 6 / 14
a Tim phan so toi gian
b Phan so nao rut gon duoc . Hay rut gon
ai nhanh nhat minh TICK cho
Rut gon phan so :19991999/99959995 ta duoc phan so toi gian la
giup minh nha!!!!!!!!!!!!! VIOLYMPIC
bai4: tim hai phan so toi gian nam giua hai phan so 2/7 va3/7 lam kieu gi
giup minh voi
minh tich 6 ban thoi nha
hung co 15 vien bi xanh , 8 vien bi vang va 12 vien bi do . Em hay viet phan so chi so phan cac vien bi mau xanh trong so bi hung co .[ phan so duoc viet duoi dang toi gian ] lam on giai ho minh nhe . ai giai dung minh like cho
Tim 3 phan so bang phan so 12/15
cac ban ghi ro lam the nao ra duoc ket qua do giup minh voi nhe
minh xin cam on cac ban da giup minh
1.Rut gon cac phan so sau: 15/24 ; 21/42 ; 54/18 ; 100/25 . (day la toan lop 4 cac ban a, lam nhanh cho minh cac ban nhe)
1.Tim hai so khi biet trung binh hai so la 62,biet mot trong hai so do la 37.
2.trong cac phan so:3/4;15/8;9/1;25/5.Cac phan so toi gian la nhung phan so nao?
3.Hay neu dac diem cua hinh binh hanh
CHUC CAC BAN LAM BAI TOT NHA
cau 1:cho 20 so chan lien tiep , biet rang so trung binh cong cua chung bang 101 . tim tim so lon
cau 2:rut gon phan so sau thanh so toi gian 306 / 342
trong cac phan so 4/9 5/7 8/11 3/5 phan so 25/35
cac ban giup minh voi
