(1)计算:(2009?π)0+12+sin60°?2?1;(2)解方程:x2-6x+8=0

(1)计算:(2009?π)0+12+sin60°?2?1;(2)解方程:x2-6x+8=0.
2025-12-17 06:08:20
推荐回答(1个)
回答1:

(1)原式=1+2

3
+
3
2
?
1
2

=
1
2
+
5
3
2


(2)  x2-6x+8=0,
(x-2)(x-4)=0,
∴x1=2,x2=4.