解不等式组:
计算: -
求值:计算:
(每小题4分,共16分)(1) (2) (3)(2-4-1)×(-) (4)
(1) 24+(一14)+(一16)+8 (2) (3) (4)-+---(5)
(1) (2) -1-〔1-(1-0.5×)〕×6(3) (4) (5)(-+)×(-36) (6)