3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/01 19:44:27
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5&
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
=3㏒3²+㏒3∧2.7/(4/15)﹣3
=3㏒3²+㏒3∧81/8-3
=3㏒3²+4-3㏒3²-3
=4-3
=1
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
=6㏒3-4/15㏒3+2.7㏒3-5^(㏒5为底10为指数)^(-1/3)
=(6-4/15+2.7)㏒3-1/1000
=263/30㏒3-1/1000
希望能帮助到你,这题主要用到对数性质㏒3²=2㏒3
3㏒3²-㏒3∧4/15+㏒3∧2.7﹣5∧㏒5³
=3㏒3²+㏒3∧2.7/(4/15)﹣3
=3㏒3²+㏒3∧81/8-3
=3㏒3²+4-3㏒3²-3
=4-3
=1
所以答案为1