\(\frac{470}{472}\)rút gọn bằng \(\frac{235}{236}\)
1124679 CÓ PHẢI KHÔNG
81 phan 54 rut gon lai lai la bao nhieu phan
rut gon roi tinh 36 phần 16 trừ 10 phàn 8 bang bao nhieu ?
Tim phan so X/Y biet hieu cua X va Y bang 8 va X/Y sau khi rut gon chi bang 5/3?
Ghi them loi giai!!
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
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
Hay rut gon cac phan so sau :
9 phan 6 ; 12 phan 4 va 90 phan 70
Cac ban hay rut gon va doc giong nhu minh nhe.
rut gon phan so 195/221 thanh phan so toi gian
rut gon phan so 272727/727272 de duoc phan so toi gian
rut gon phan so
34 phan 51
