题目内容
lgx-=0有解的区域是
(0,1]
(1,10]
(10,100]
(100,+∞)
lgx=0有解的区域是
A.(0,1]
B.(1,10]
C.(10,100]
D.(100,+∞)
A.(0,1] B.(1,10] C.(10,100] D.(100,+∞)