问题
填空题
(1)|3|=______;
(2)|-2|=______;
(3)|0|=______;
(4)绝对值等于4的数有______个,它们是______和______.
答案
(1)|3|=3;
(2)|-2|=2;
(3)|0|=0;
(4)|±4|=4.
(1)|3|=______;
(2)|-2|=______;
(3)|0|=______;
(4)绝对值等于4的数有______个,它们是______和______.
(1)|3|=3;
(2)|-2|=2;
(3)|0|=0;
(4)|±4|=4.