(lg5)^2+lg2*lg25+(lg2)^2
=(lg5+lg2)²
=(lg10)²
=1
(lg5)^2+lg2*lg25+(lg2)^2怎么算,
(lg5)^2+lg2*lg25+(lg2)^2怎么算,
数学人气:112 ℃时间:2020-05-14 14:29:03
优质解答
我来回答
类似推荐
猜你喜欢
- 1已知z,w为复数 (1+3i)z为实数 ,w=z/(2+i) ,且|w|=5根号2 则复数 w=
- 2i am not good at math.ireally do not donw ___ a.what should i do b.how should i do
- 3There are five ________ students in the school.
- 4根据意思写出成语:遇到意想不到的好事而非常高兴( )
- 5The teacher was angry with Cindy because she made the sam mitake__she had made before in the exam.
- 6括号一减去一除以二的二次方括号乘以括号一减去一除以三的二次方括号省略号括号一减去一除以二十的二次方
- 7一质量为100克的物体,放入装满水的杯子中,溢出了40克水,求: (1)该物体所受的浮力; (2)该物体的密度是多少?
- 8用理想/幻想;或者,光荣/虚荣.仿写 急阿.
- 9己知a=0.7^-1/3,b=0.6^-1/3,c=log2.1 1.5,则a,b,c的大小关系
- 10测电阻,电流表内接外接的问题?