来自秦政的问题
(log2)^2-log5*log20课本上等于(log2)^2+(1+log2)(1-log2)=1;(log2)^2+(1+log2)(1-log2)是怎么来的?
(log2)^2-log5*log20
课本上等于(log2)^2+(1+log2)(1-log2)=1;
(log2)^2+(1+log2)(1-log2)是怎么来的?
1回答
2020-08-01 01:24