(1)计算:(p-2010)0 +(sin60°)-1-︱tan30°-︱+.
(2)先化简:;若结果等于,求出相应x的值.
(1)3
(2)x =±
解析:
(1)原式= 1 ++ 2 = 3 += 3 += 3.
(2)原式==;由=,可,解得 x =±.