> 其他 >
若lgA=a,lgB=b,lgC=c,则(lgA^2)*[lg(B/2]*(lg√C)=?
人气:413 ℃ 时间:2020-04-01 17:58:13
解答
(lgA^2)*[lg(B/2]*(lg√C)
=2logA*(lgB-lg2)*(1/2)lgC
=ac(b-lg2)
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版