Question

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Answer 1

Answer 2

Answer 3

1、
（3m-6）/（1+m）=12
3m-6=12+12m
9m=-18
m=-2
2、
[（-2m-1）-2]/(-m-m)=√3
(2m+1+2)/2m=√3
2m+3=2√3m
(2√3-2)m=3
m=3/2(√罩余3-1)
m=3 (√3+1)/[2 *(√3-1)(√让仔3+1)]
m=3(√3+1)/物滑滚4

Answer 4

1. (3m-6)/(1+m)=12
3(m-2)/(m+1)=12
(m-2)/(m+1)=4
(m-2)/(m+1)-4=0
[(m-2)-4(m+1)]/(m+1)=0
[m-2-4m-4]/(m+1)=0
(-3m-6)/(m+1)=0
(m+2)/(m+1)=0
所以m=-2

2. (2m+3)/(2m)=√3
1+3/(2m)=√3
3/(2m)=√前皮3-1
2m=3/核旁(√3-1)
2m=3(√改悔橡3+1)/2
m=3(√3+1)/4

Answer 5

1,3m-6=12m+12
9m=-18
m=-2
2,2m+3=2√3m
(2√基键圆3-2)m=3,
m=3/(2√3-2)=3（2√3+2）搏塌亮唯/8