a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,3/8-1/6x=1/4=1/6x=3/8-1/4=1/6x=1/8=x=1/8:1/6=3/4

b,[x-1]^2=1/4=[1/2]^2=x-1=1/2=x=1/2+1=3/2

c,[x--1/2]*[x+1/3]=0=[x--1/2]=0=x=0:1/2=0

a,1-1/2+1/3=1/2+1/3=3/6+2/6=5/6

b,2/5+3/5:9/10=2/5+2/3=16/15

c, 7/11 * 3/4+7/11*1/4+4/11=7/11*[3/4+1/4]+4/11=7/11*1+4/11=7/11

a,tia Ay, tia Az.

b,các điểm thuộc tia Az:M,C

c,không,vì tia AM, tia MA là hai tia trùng nhau.

có.