3^9m .27^m =3^6 求m的值.p:"." =乘号

来源：学生作业帮助网编辑：作业帮时间：2024/05/11 18:03:51

3^9m .27^m =3^6 求m的值.p:"." =乘号
3^9m .27^m =3^6 求m的值.
p:"." =乘号

3^9m .27^m =3^6 求m的值.p:"." =乘号
3^9m .27^m =3^6
3^(9m) .3^(3m) =3^6
3^(9m+3m) =3^6
12m=6
m=1/2