Thầy giúp em giải hộ em bài này với
Bài1
A,(x+2/98 +1)+(x+ 3/97 +1)=(x+4/96 +1)+(x+5/95+1)
B,x-23/24+x-23/25=x-23/26+23/27
C,x+1/2004+x+2/2003=x+3/2002+x+4/2001
D,201-x/99+203-x/97=205-x/95 +3=0
E,x-45/55+ x-47/53=x-55/45+ x-53/47
F,x+1/9+ x+2/8= x+3/7+ x+4/6
G,x+2/98+ x+4/96= x+6/94+ x+8/92
H, 2-x/2002 -1=x-1/2003- x/2004
J,x^2-10x-29/1971+ x^2-10x-27/1973=x^2-10x-1971/29+ x^2-10x-1973/27