计算6!⼀3!x3!等于多少?(2)6!⼀2!X2!X2!等于多少?

2025-05-18 02:20:11
推荐回答(1个)
回答(1):

6!/3!x3!等于多少
=(1*2*3*4*5*6)/(1*2*3*1*2*3)
=(4*5*6)/(1*2*3)
=20

6!/2!X2!X2!
=(1*2*3*4*5*6)/(2*2*2)
=1*3*5*6
=90