对数真数大于0
所以 x>0
lgx
猜你喜欢
- 1分析句子结构:in challenging times when ethics are more important than ever before,you had better make sure you set a good exam
- 2a的n次方±b的n次方,怎么进行因式分解
- 3帮忙解几道绝对值不等式的题
- 4呼吸运动是指( )气体与( ) 的交换
- 5荒漠化是导致土壤荒废、环境恶劣、气候异常和沙尘暴频发的严重自然灾害,
- 6the teacher asked me to e------ seats with li lei
- 7平行四边形ABCD中,E是AD的中点,AC与BE相交于F,若S△EFC=1cm2,则平行四边形ABCD的面积=_.
- 8某人从赤道出发…
- 9下列有关板块构造学说观点的说法中,正确的是( )
- 10硝化细菌是什么代谢类型