计算
(1)计算:2 ﹣ 2+(3 27 ﹣ 1 4 6 )÷ 6 ﹣3sin45°;
(2)解方程: x - 3 x - 2 +1= 3 2 - x .
解方程: 3 x - 1 - x + 3 x 2 - 1 = 0 .
解方程: 1 - x x - 2 = 1 - 3 x - 2 .
解分式方程: 3 x = 5 x - 2 .
计算:
(1) sin 30 ° - ( π - 3 . 14 ) 0 + ( - 1 2 ) - 2 ;
(2)解方程; 1 x - 2 = 3 2 x - 3 .
解分式方程: 2 x x - 1 = x 2 x - 2 + 1
解方程: 2 x x - 2 - 8 x 2 - 2 x = 1
解方程: 3 x 2 - 3 x - 1 x - 3 = 1 .
解方程: 1 x - 2 - 4 x 2 - 4 = 1 .
解方程: 5 x - 8 x 2 - 9 - 1 = 3 - x x + 3 .
解方程: x + 3 x - 3 - 2 x + 3 = 1 .
解分式方程: 2 x - 1 x + 2 = 2 - 3 x - 2 .
解方程: 2 x + 3 = 1 x - 1 .
(本题10分)解下列分式方程: (1) (2)