(1);(2)();(3);(4)
3x(x-1)=2-2x
+|-2|++(-1)2011
计算:(共24分每题4分) (1)(2)[-2 2+(-2)3 ]-(-2)×(-3) (3)()() (4) (5)—14+〔1-(1-0.5×2)〕÷ (6)[(-3)2-22-(-5)2]××(-2)4
(本大题共4分)计算;