计算:
(1) ( - 1 ) 2016 + π 0 - ( 1 3 ) - 1 + 8 3
(2) x 2 - 1 x + 1 ÷ x 2 - 2 x + 1 x 2 - x .
计算:(本题满分16分,每小题各4分) (1) (2) (3) (4)
计算: (1)(-)−1-+4cos30°− (2)
计算(每小题4分,共16分) (1) (2) (3) (4)
(本题12分)计算: (1) (2) (3) (4)
计算下列各题: (1)(-2)+(-8) (2)1+(-2)+|-2-3|-5 (3) (4) (5)﹣3﹣[﹣5+(1﹣2×)÷(﹣2)](6)25×(-18)+(-25)×12+25×(-10 )