RUT GON PHAN SO DEN KHI TOI GIAN
49+7.49
49
rut gon cac phan so sau den toi gian
a.4*3/9*32
b.9*6-9*3/18
c.232323/494949
lam gap cho minh minh like cho
tim stn n de phan so A = 8n + 193 phan 4n+3 sao cho
a) co gia tri stn
b) la phan so toi gian
c) voi gia tri nao cua n trong khoang 150 den 170 thi phan so A rut gon duoc
Cho phan so a/35
a, tim so nguyen to a de a/35 rut gon duoc
b, Tim cac so a biet phan so do la phan so toi gian nho nhat hon 1
Tim so tu nhien n de phan so A = 8n + 193 / 4n + 3 :
c) Voi gia tri nao cua n trong khoang tu 150 den 170 thi phan so A rut gon duoc.
rut gon phan so sau thanh phan so toi gian
\(\frac{2^{50}.3^{14}.7^{28}}{3^{13}.2^{51}.7^{28}}\)
giup mk nha
tong cua tu so va mau so cua mot phan so la 4812 sau khi rut gon phan so do ta duoc phan so 5/7 hay tim phan so chua rut gon
cho bieu thuc A= \(\frac{8n+193}{4n+3}\)
Voi gia tri nao cua n trong khoang tu 150 den 170 thi phan so A rut gon duoc
tìm phân số biết tong cua tu va mau la 25 va khi rut gon thi duoc phan so -2/3
hieu vua mau va tu la 140 va khi rut gon phan so do thi duoc phan so 2/3