| 计算: (1)3
(2)-14-
(3)(-
(4)-22-[2-(1+
|
答案:
(1)原式=3
=3
=3+3 =6;(2)原式=-1-
=-1-
=-1-2 =-3;(3)原式=(-
=-
=-28-33+6 =-61+6 =-55;(4)原式=-4-[2-(1+
=-4-[2-1
=-4-
=-4-
=-4
|

| 计算: (1)3
(2)-14-
(3)(-
(4)-22-[2-(1+
|
答案:
(1)原式=3
=3
=3+3 =6;(2)原式=-1-
=-1-
=-1-2 =-3;(3)原式=(-
=-
=-28-33+6 =-61+6 =-55;(4)原式=-4-[2-(1+
=-4-[2-1
=-4-
=-4-
=-4
|