计算(2/3)²º¹²×1.5²º¹¹×(-1)²º¹¹

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/16 21:11:31

计算(2/3)²º¹²×1.5²º¹¹×(-1)²º¹¹

上式=(2/3)²º¹¹×(2/3)×(3/2)²º¹¹×(-1)=-1×(2/3×3/2)²º¹¹×(2/3)=-2/3

-3

(2/3)²º¹²×1.5²º¹¹×(-1)²º¹¹
=(2/3)²º¹¹×(2/3)×(3/2)²º¹¹×(-1)
=-1×(2/3×3/2)²º¹¹×(2/3)
=-2/3