问题
解答题
若a>b,c<0,用“>”或“<”填空: (1)
(2)2a-4______2b-4; (3)-a______-b; (4)a+2______b+1; (5)ac+4______bc+4; (6)ac2+1______bc2+1. |
答案
(1)
a>1 3
b1 3
(2)2a-4>2b-4;
(3)-a<-b;
(4)a+2>b+1;
(5)ac+4<bc+4;
(6)ac2+1>bc2+1.
故答案为:>;>;<;>;<;>.