问题
填空题
设a>b,则:
(1)2a______2b;
(2)(x2+1)a______(x2+1)b;
(3)3.5b+1______3.5a+1.
答案
设a>b,则:
(1)2a>2b;
(2)(x2+1)a>(x2+1)b;
(3)3.5b+1<3.5a+1.
设a>b,则:
(1)2a______2b;
(2)(x2+1)a______(x2+1)b;
(3)3.5b+1______3.5a+1.
设a>b,则:
(1)2a>2b;
(2)(x2+1)a>(x2+1)b;
(3)3.5b+1<3.5a+1.