Công Thức Lũy Thừa Lớp 7

(eginarrayla^m.a^n = a^m + n,,,,,,,,,a^m.a^n.a^p = a^m + n + p,,,,,left( p in N ight)\a^m:a^n = a^m - n,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,(a e 0,,,m,, > ,,n)\left( a.b ight)^m = a^m.b^m,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,left( m e 0 ight)\left( a^m ight)^n = a^m.n,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,left( m,,n e 0 ight)endarray)

Quy ước:

(eginarrayla^1 = a\a^0 = 1,,,,left( a e 0 ight)endarray)