指数

(1)am·an＝am+n(2)am÷an＝am-n(a≠0)(3)(am)n＝amn(4)(ab)m＝am·bm(5)((a/b))m＝(am)/(bm)(b≠0)(n≠0;n为偶数时,a≥0)(7)a°=1(a≠0)(8)a-m＝1/(am)(a≠0) ......（本文共 128 字 , 1 张图）     [阅读本文] >>