猿粪啊:一道计算题 急用

来源:百度文库 编辑:神马品牌网 时间:2024/05/06 10:30:20
(-1/3)^6*6^7*(-1/2)^7

(-1/3)^6*6^7*(-1/2)^7
=(-1/3)^6*6^6*(-1/2)^7*6
=(-2)^6*(-1/2)^6*(-1/2)*6
=-3

= 1/3^6 * (3*2)^7 * (-1)/2^7
= 1/3^6 * (3*2)^6 * 6 * (-1)/2^7
= 1/3^6 * 3^6 * 2^6 * 6 * (-1)/2^7
= 2^7 * (-1) /2^7
= -1

-1/2