问题
填空题
若am=3,an=5,a3m-2n=______.
答案
∵am=3,an=5,
∴(am)3÷(an)2=27÷25=
,27 25
∴a3m-2n=
.27 25
故答案为:
.27 25
若am=3,an=5,a3m-2n=______.
∵am=3,an=5,
∴(am)3÷(an)2=27÷25=
,27 25
∴a3m-2n=
.27 25
故答案为:
.27 25