1.
6*(x-7/12)^2-25/24=0
(x-7/12)^2=25/144
x-7/12=+_5/12
x=1或1/6
2
5*(x-9/10)^2-441/20=0
(x-9/10)^2=441/100
x-9/10=+_21/10
x=3,x=-6/5
3.
4*(x-3/8)^2=841/16
(x-3/8)^2=841/64
x-3/8=+_根841/8
x=3/8-根841/8,x=3/8+根841/8
4。
5*(x+1/5)^2=21/5
(x+1/5)^2=21/25
x=-1/5+根21/5,x=-1/5-根21/5
温馨提示:答案为网友推荐,仅供参考