<=> (2-x/201 + 1) + (x/203 - 1) = (1-x/202 + 1) + (1-1)
<=> 203-x/201 + x-203/203 = 203-x/202
<=> 203-x/201 - 203-x/203 - 203-x/202 = 0
<=> (203-x).(1/201-1/203-1/202) = 0
<=> 203-x = 0 ( vì 1/201-1/203-1/202 khác 0 )
<=> x=203
Vậy x=203
k mk nha
Giải các phương trình sau:
a) \(\frac{201-x}{99}+\frac{203-x}{97}=\frac{205-x}{95}+3\)
b) \(\frac{2-x}{2002}-1=\frac{1-x}{2003}-\frac{x}{2004}\)
Giải phương trình sau:
a) \(\frac{201-x}{99}+\frac{203-x}{97}=\frac{205-x}{95}+3\)
b) \(\frac{2-x}{2002}-1=\frac{1-x}{2003}-\frac{x}{2004}\)
1 . \(\frac{x-1}{12}-\frac{2x-12}{14}=\frac{3x-14}{25}-\frac{3x-12}{27}\)
2 . \(\frac{2x-1}{2}+\frac{2x+1}{3}=\frac{2x+7}{6}+\frac{2x+9}{7}\)
3 . \(\frac{x^2+x+4}{2}+\frac{x^2+x+7}{3}=\frac{x^2+x+13}{5}+\frac{x^2+x+16}{6}\)
4 . \(\frac{201-x}{99}+\frac{203-x}{97}+\frac{205-x}{95}+3=0\)
Giải các phương trình sau:
a)\(\frac{x+1}{2004}+\frac{x+2}{2003}=\frac{x+3}{2002}+\frac{x+4}{2001}\)
b) \(\frac{201-x}{99}+\frac{203-x}{27}=\frac{205-x}{95}+3\)
c) \(\frac{x-45}{55}+\frac{x-47}{53}=\frac{x-55}{45}+\frac{x-53}{47}\)
\(\frac{201-X}{99}+\frac{203-X}{97}\)bằng \(\frac{205-X}{95}+3\)
Giải phương trình sau:
\(\frac{201-x}{99}+\frac{203-x}{97}=\frac{205-x}{95}+3\)
giải các phương trình
a)\(\frac{x-23}{24}+\frac{x-23}{25}=\frac{x-23}{26}+\frac{x-23}{27}\)
b) \(\frac{201-x}{99}+\frac{203-x}{97}+\frac{205-x}{95}+3=0\)
c) \(\frac{x+2}{98}+\frac{x+4}{96}=\frac{x+6}{94}+\frac{x+8}{92}\)
d)\(\frac{x^2-10x-29}{1971}+\frac{x^2-10x-27}{1973}=\frac{x^2-10x-1971}{29}+\frac{x^2-10x-1973}{27}\)
Giải hộ mik pt này nha ^.^ :
\(\frac{201-x}{99}\)+\(\frac{203-x}{97}\)+\(\frac{205-x}{95}\)+ 3 = 0
Giải PT:
\(\frac{201-x}{99}\) + \(\frac{203-x}{97}\)= \(\frac{205-x}{95}\)+ 3 = 0
