1/5(lg32+log4 16+6lg1/2)+1/5lg1/5

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 21:53:50
1/5(lg32+log416+6lg1/2)+1/5lg1/51/5(lg32+log416+6lg1/2)+1/5lg1/51/5(lg32+log416+6lg1/2)+1/5lg1/51/5(

1/5(lg32+log4 16+6lg1/2)+1/5lg1/5
1/5(lg32+log4 16+6lg1/2)+1/5lg1/5

1/5(lg32+log4 16+6lg1/2)+1/5lg1/5
1/5(lg32+log(4)(16)+6lg1/2)+1/5lg1/5
=1/5(5lg2+2-6lg2)-1/5lg5
=1/5(2-lg2)-1/5lg5
=2/5-1/5(lg2+lg5)
=2/5-1/5
=1/5