4^2=4X4,463=4X4X4,则4^2X4^3=(4x4)x(4x4X4)=4X4X4X4X4=4^5,试计算a^m·a^n(m,n是正整数)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 18:44:08
4^2=4X4,463=4X4X4,则4^2X4^3=(4x4)x(4x4X4)=4X4X4X4X4=4^5,试计算a^m·a^n(m,n是正整数)

4^2=4X4,463=4X4X4,则4^2X4^3=(4x4)x(4x4X4)=4X4X4X4X4=4^5,试计算a^m·a^n(m,n是正整数)
4^2=4X4,463=4X4X4,则4^2X4^3=(4x4)x(4x4X4)=4X4X4X4X4=4^5,试计算a^m·a^n(m,n是正整数)

4^2=4X4,463=4X4X4,则4^2X4^3=(4x4)x(4x4X4)=4X4X4X4X4=4^5,试计算a^m·a^n(m,n是正整数)
a^m·a^n
=(a*a*……*a)(m个a)*(a*a*……*a)(n个a)
=(a*a*……*a)(m+n个a)
=a^(m+n)
利用指数相乘的方法计算

a^m·a^n
=(a*a*……*a)(m个a)*(a*a*……*a)(n个a)
=(a*a*……*a)(m+n个a)
=a^(m+n)