计算:
(1)(+1
(2)(
(3)-22-(-3)3×(-1)4
(4)
2
(5)-22-(-3)3×(-1)4-(-1)5
(6)
(7)[(−
(8)(-81)÷2
(9)3-2×(-5)2
(10)−48×(
(11)(−