3^0.8 3^0.7 哪个大0.75^-0.1 0.75^0.1 哪个大1.01^2.7 1.01^3.5 哪个大0.99^3.3 0.99^4.5 哪个大最好教我怎么比

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 02:30:36

3^0.8 3^0.7 哪个大0.75^-0.1 0.75^0.1 哪个大1.01^2.7 1.01^3.5 哪个大0.99^3.3 0.99^4.5 哪个大最好教我怎么比
3^0.8 3^0.7 哪个大
0.75^-0.1 0.75^0.1 哪个大
1.01^2.7 1.01^3.5 哪个大
0.99^3.3 0.99^4.5 哪个大
最好教我怎么比

3^0.8 3^0.7 哪个大0.75^-0.1 0.75^0.1 哪个大1.01^2.7 1.01^3.5 哪个大0.99^3.3 0.99^4.5 哪个大最好教我怎么比
方法是:底数大于一时,指数越大,数越大.底数小于一时,指数越大,数越小.
答案是
1,3^0.8> 3^0.7
2,0.75^-0.1