负二的十四次方乘以负二分之一的十五次方简便算法怎么算

2025-04-06 01:40:13
推荐回答(1个)
回答1:

[(-2)^14]×(-½)^15
=[(-2)^14]×[(-½)^14]×(-½)
={[(-2)×(-½)]^14}×(-½)
=(1^14)×(-½)
=1×(-½)
=-½