tim cac so tu nhien n de cac phan so sau viet duoc duoi dang phan so thap phan:a,n+2/300  b,11.(n-1)/924

Cho phan so A = \(\frac{10n-3}{4n-10}\)n\(\varepsilon N\)

a,tim n khi A=\(\frac{27}{2}\)

b,tim dieu kien cua n de A rut gon duoc

viet cach giai ra gum minh nha

hay do va ghi lai kich thuoc 1 quyen sach cua em voi don vi mm [ viet cac kich thuoc do duoi dang phan so thap phan roi duoi dang so thap phan ]

tim cac phan so toi gian biet tich cua tu va mau la 220 va phan so co the viet dc duoi dang so thap phan

https://hoc24.vn/cau-hoi/bai-1-cho-bieu-thuc-p-11n-n-thuoc-z-a-tim-dieu-kien-cua-n-de-p-la-phan-sob-tim-phan-so-p-biet-n3-n5-n9c-tim-n-de-p-nguyen-bai-2.332315455557

A = 2/ x-1 .tim dieu kien cua x de A la phan so . tim A khi x = 2 ; x = -3. tim dieu kien cua x de A la so nguyen ( A thuoc Z )

Cho A=n+3/n+2 voi n€z

a)tim dieu kien cua so nguyen n de A la phan so

b)tinh gia tri cua phan so A khi n=1;n=-1

c)tim so nguyen n de phan so A co gia tri la so nguyen

tim dieu kien cua N thuoc N de cho so 10^n -1 chia het cho 9 va 11

GIÚP MÌNH NHÉ !

Doi ra met(viet ket qua duoi dang phan so thap phan roi duoi dang so thap phan)

3dm,85cm,52mm