2的100次方乘以二分之一的101次方

问题描述:

2的100次方乘以二分之一的101次方

原式
=2^100x(1/2)^100x1/2
=(2x1/2)^100x1/2
=1^100x1/2
=1x1/2
=1/2

答:
2的100次方乘以二分之一的101
=(2^100)*(1/2)^101
=2^100 / 2^101
=2^(100-101)
=2^(-1)
=1/2


原式
=2^100×(1/2)^100×(1/2)
=(2×1/2)^100×(1/2)
=1×1/2
=1/2