观察下列等式(式子中的“!”是一种数学运算符号:1!=1,2!=2x1,3!=3x2x1,4!=4

2025-04-16 11:17:08
推荐回答(2个)
回答1:

2014!=2014X2013X2012X...X1
2015!=2015X2014X2013X...X1
(2015!)/(2014!)=(2015X2014X...X1)/(2014X2013X...X1)=2015

回答2:

2014!分之2015!

=(2014x2013x2012x……×2x1)分之(2015×2014x2013x2012x……×2x1)
=2015