来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/11/06 01:53:36
1.逆用乘方运算法则计算
(2的4次方)×(25²)×47
2.逆用积的乘方公式计算
(-9)³×(-2/3)的6次幂×(1+1/2)的3次幂
1)2^4x25^2x47
=(2^2)^2x25^2x47
=(4x25)^2x47
=100^2x47
=470000
2)(-9)^3x(-2/3)^6x(1+1/2)^3
=(-9)^3x(4/9)^3x(3/2)^3
=(-9x4/9)^3x(3/2)^3
=(-4)^3x(3/2)^3
=(-4x3/2)^3
=(-6)^3
=-216