题目内容
若a>b,c<0,用“>”或“<”填空:
(1)
a______
b
(2)2a-4______2b-4;
(3)-a______-b;
(4)a+2______b+1;
(5)ac+4______bc+4;
(6)ac2+1______bc2+1.
(1)
1 |
3 |
1 |
3 |
(2)2a-4______2b-4;
(3)-a______-b;
(4)a+2______b+1;
(5)ac+4______bc+4;
(6)ac2+1______bc2+1.
(1)
a>
b
(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:>;>;<;>;<;>.
1 |
3 |
1 |
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:>;>;<;>;<;>.
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