已知m的a次方=3，m的b次方=5，m=2，求m的a+2次方和m的a+b+1次方的值

更新时间2022-01-25 06:55:59

m^a=3

m^b=5

m^a×m^b=m^(a+b)=3×5

m^(a+b)=15

m^(a+2)

=m^a×m²

=3×2²

=12

m(a+b+1)

m^(a+b)×m

=m^(a+b)×2

=15×2

=30