Cho phan so a/b la phan so toi gian. Hoi a/a+b co phai la phan so toi gian ko
Answer : Ex : \(\frac{1}{2}\)là phân số tối giản còn \(\frac{\frac{1}{1}}{2}=2\)là số tự nhiên chứ ko phải là phân số
neu a/b la phan so toi gian thi a/a+b co phai la phan so toi gian
Cho a/b la phan so toi gian CMR (a-2b)/b cung la phan so toi gian
Cho a/b la phan so toi gian
C/m a+b/b,b-a/b cung la phan so toi gian
cho a,b thuc N*,a/b la phan so toi gian.chung to a/a+b la phan so toi gian
CMR : Neu a/b la phan so toi gian thi phan so a/a+b cung la phan so toi gian (b va a+b khac 0).
Cho phan so: P = \(\frac{2n+7}{5n+2}\)(n thuoc Z)
a)Tim n thuoc z de P la phan so chua toi gian.
b)Tim n thuoc Z sao cho P la phan so toi gian.
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=\(\frac{8n+193}{4n+3}\)
a,co gia tri la so tu nhien
b, la phan so toi gian
tim phan so toi gian a/b nho nhat khac 0 sao cho khi chia a/b cho phan so 8/15,18/35 deu duoc ket qua la cac so nguyen
