(lg)的平方+lg2*lg50=
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/16 18:49:49
(lg)的平方+lg2*lg50=
(lg5)的平方+lg2*lg50
(lg5)的平方+lg2*lg50
![(lg)的平方+lg2*lg50=](/uploads/image/z/1386805-13-5.jpg?t=%28lg%29%E7%9A%84%E5%B9%B3%E6%96%B9%2Blg2%2Alg50%3D)
(lg5)的平方+lg2*lg50
=(lg5)的平方+lg2*(lg5+lg10)
=(lg5)的平方+lg2*lg5+lg2
=lg5(lg5+lg2)+lg2
=lg5+lg2
=lg10=1
祝你好运
=(lg5)的平方+lg2*(lg5+lg10)
=(lg5)的平方+lg2*lg5+lg2
=lg5(lg5+lg2)+lg2
=lg5+lg2
=lg10=1
祝你好运