![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a8ec8a13632762d0f8469a25b2ec08fa513dc62b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8b13632762d0f70381caab461afa513d2697c52b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/08f790529822720e2eb6dc6069cb0a46f21fab2b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
幂的运算法则 1、同底数幂的乘法:底数不变,指数相加,
amxal=a(mtn
25x2°=2(5+3)=2°=2x2x2x2x2x2x2x2=256
2、同底数幂的除法:底数不变,指数相臧
amiazan-n)
25;2°=215-3=22=2x2=4
3、幂的乘方:底数不变,指数相乘
(a™『ニa『un
(22)3=22x3=2=2x2x2x2x2x2=64
4、积的乘方:等于各因数分别乘方的积
a"xb"=(axb)”
2°x3°=(2x3)3=6=216
5、商的乘方(分式乘方):分子分母分别乘方,指数
不変
a"ib"=a;b)”[或=(a/b)m
6°3°=(6=3)3=23=8【或=16/3)=2=81