直接写出计算结果.
(1)=______;???????
(2)=______;
(3)=______;????
(4)=______;
(5)-32÷(-3)=______.??????
(6)(-1)2009-(-1)2008=______.
网友回答
解:(1)2-5=-(5-2)=-3;
(2)-+=-(-)=-;
(3)-3×=-×=-1;
(4)-3÷(-)=-×(-)=4.9;
(5)-32÷(-3)=-9÷(-3)=3;
(6)(-1)2009-(-1)2008=-1-1=-2.
故