问题
解答题
化简下列各数:
(1)+(-3)
(2)+(+3.5)
(3)+[-(+3)]
(4)-[-(-6)]
答案
(1)+(-3)=-3;
(2)+(+3.5)=3.5;
(3)+[-(+3)]=-3;
(4)-[-(-6)]=-6.
化简下列各数:
(1)+(-3)
(2)+(+3.5)
(3)+[-(+3)]
(4)-[-(-6)]
(1)+(-3)=-3;
(2)+(+3.5)=3.5;
(3)+[-(+3)]=-3;
(4)-[-(-6)]=-6.