>
数学
>
计算(19/1-1)(20/1-1)(21/1-1)...(97/1-1)=多少
人气:404 ℃ 时间:2020-01-01 06:18:45
解答
=(19-1)(20-1)(21-1)...(97-1)
=18*19*20...*96
=96!(阶乘)/17!
=2.7880601239673163745014598311576e+135
我错了
推荐
计算(19分之1减1)(20分之1减1)(21分之1减1)···(97分之1减1)
计算:19×21/1+21×23/1+23×25/1……+97×99/1
求(1/19-1)(1/20-1)(1/21-1)...(1/97-1)=?
(1-1÷19)×(1-1÷20)×(1-1÷21).×(1-1÷99)怎么计算
19分之1-1乘20分之1-1乘21分之1-1...97分之1-1
已知,矩形ABCD,AB=根号3,BC=3,在BC上取两点E,F(E在F左边),以EF为边作等边三角形PEF,使顶点P在AD上,PE,PF分
《第一次真好 》 找出作者细心观察生活的句子
1欧等于多少人民币
猜你喜欢
有关光的折射的物理题
i am positive that he did not for a moment feel that he was in any way cheating the store
翻译:At her feet,dresses and flowers were parading on top of a spread -open newspaper
甲乙两数的比是8:5,乙数是25,甲数是_.
a foreign teacher has just came to our school.为什么改为come
英语翻译
我国四大发明按时间顺序是?
100字摘抄
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版