(2lg2+lg3)/(1+1/2lg0.36+1/3lg8)+㏒2(1+根下2+根下3)+㏒2(1+根下2-根下3)-㏒23㏒34

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 04:36:33
(2lg2+lg3)/(1+1/2lg0.36+1/3lg8)+㏒2(1+根下2+根下3)+㏒2(1+根下2-根下3)-㏒23㏒34(2lg2+lg3)/(1+1/2lg0.36+1/3lg8)+㏒2

(2lg2+lg3)/(1+1/2lg0.36+1/3lg8)+㏒2(1+根下2+根下3)+㏒2(1+根下2-根下3)-㏒23㏒34
(2lg2+lg3)/(1+1/2lg0.36+1/3lg8)+㏒2(1+根下2+根下3)+㏒2(1+根下2-根下3)-㏒23㏒34

(2lg2+lg3)/(1+1/2lg0.36+1/3lg8)+㏒2(1+根下2+根下3)+㏒2(1+根下2-根下3)-㏒23㏒34
原式=(2lg2+lg3)/(lg10+lg0.6+lg2)+log2(1+2+2√2-3)-lg3/lg2*2lg2/lg3
=lg(4*3)/lg(10*0.6*2)+log2(2√2)-2
=1+3/2-2
=1/2