问题 解答题
(1)解方程:x2-4x-12=0;
(2)计算:
18
+(π-3.14)0-
2
答案

(1)x2-4x-12=0,

(x+2)(x-6)=0,

x+2=0,x-6=0,

x1=-2,x2=6;

(2)

18
+(π-3.14)0-
2

=3

2
+1-
2

=2

2
+1.

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