Các câu hỏi tương tự
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.
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=63/3n+1 ( n thuoc N)
a. Voi gia tri nao cua n thi A rut gon duoc
b. Voi gia tri nao cua n thi A la mot so tu nhien
cho bieu thuc A =\(\frac{a^3+2a^2-1}{a^3+2a^2+2a+1}\)
a)rut gon bieu thuc
b)chung minh rang neu a la so nguyen thi gia tri cua bieu thuc tim duoc o cau a la mot phan so toi gian
cho phan so A=2n+3/6n+4(n thuoc N).voi gia tri nao cua n thi A rut gon duoc
\(A=\frac{a^3+2a^2-1}{a^3+2a^2+2a+1}\)
a/ Rut gon bieu thuc
b/ Chung minh rang neu a la so nguyen thi gia tri cua bieu thuc tim duoc o cau a, la mot phan so toi gian
cho biểu thức A= a^3 +2a^2-1/a^3 +2a^2+2a+1
a, rut gon bieu thuc
b, CMR neu A la so nguyen thi gia tri cua bieu thuc tim duoc cua cau a la 1 phan so toi gian
cho bieu thuc a^3+2a^2-1/a^3+2a^2+2a+1
a) Rut gon bieu thuc
b)Chung minh rang neu a la so nguyen thi gia tri tim duoc cua bieu thuc o cau a) la 1 phan so toi gian
Cho bieu thuc A=a3+2a3-1/a3+2a3+2a+1
a ,Rut gon bieu thuc
b,CMR neu a la so nguyen thi gia tri cua bieu thuc tim duoc o cau a la mot phan so toi gian.