问题:
计算及解方程:
(1) (2
12
-3
1
3
)×
6
(2)x 2+4x+2=0;
(3)(x-3)(x+1)=2(x-3)
计算及解方程:
(1) (2
-3
)×
(2)x 2+4x+2=0;
(3)(x-3)(x+1)=2(x-3)
(1) (2
12 |
|
6 |
(2)x 2+4x+2=0;
(3)(x-3)(x+1)=2(x-3)
参考答案: