a, Ta có: \(\frac{-4}{9}=\frac{-8}{18}>\frac{-8}{13}\Rightarrow\frac{-4}{9}>\frac{-8}{13}\)
b,Ta có: \(\frac{-2005}{2006}>-1\)
\(\frac{-2007}{2004}=-1-\frac{3}{2004}-1>-\frac{2007}{2004}\)
Vậy -2005/2006>-2007/2004
so sanh cac so huu ti sau mot cach nhanh chong 22/-67 va -51/152
so sanh cac so huu ti bang cach nhanh nhat
a] -1phan 4 va 1phan 100
so sanh cac so huu ti sau x,y thuoc Q:
a.x=-5/4 va y=-3/8
b.x=-3/100 va y=2/3
c.x=8/9 va y=19/18
d.x=1250/1251 va y=25/24
so sanh cac so huu ti sau:
a.x=-3/5 va y=2/-3
b.x=35/84 va y=8/15
c.x=-5/4 va y=-3/8
d.x=-3/100 va y=2/3
e.x=8/9 va y=19/18
f.x=1250/1251 va y=25/24
so sanh cac so huu ti sau bamg cach hop li
a,\(\frac{-22}{35}\)va\(\frac{-103}{177}\) b,\(\frac{-17}{23}\)va\(\frac{-25}{31}\) c,\(\frac{-18}{91}\)va\(\frac{-23}{114}\)
d,\(\frac{-27}{35}\)va\(\frac{-21}{40}\) e,\(\frac{-22}{45}\)va\(\frac{-17}{33}\)
So sanh cac so huu ti sau
316/49 va 323/56
-214/317 va -21/36
so sanh ai so huu ti a=-3,75 va b=15/-4 ta co :
tong cac luy thua bac 3 cua 3 so huu ti la (-1009). Biet ti so giua so thu nhat va so thu 2 la 2/3, ti so giua so thu nhat va so thu 3 la 4/9. Tim 3 so do
viet cac so huu ti sau duoi dang cac phan socung mau duong
a,\(\frac{4}{̣̣̣̣̣̣9}va\frac{3}{7}\)
b \(\frac{-2}{3}va\frac{-4}{5}\)
c\(\frac{1}{-5}\)va 1
