五分之四的二的2015次方乘以1.25的2014次方乘以负一的2016次方等于多少?

2025-03-05 05:20:59
推荐回答(1个)
回答1:

(4/5)^2015×1.25^2014×(-1)^2016
原式=(4/5×1.25)^2014×4/5×1
=1^2014×4/5
=1×4/5
=4/5