(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)=?
人气:279 ℃ 时间:2019-11-13 18:21:20
解答
(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)
=52/51x53/52x……x153/152x50/51x51/52x……x151/152
=153/51x50/152
=3x50/152
=75/76文字啊(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)=(1+1/51)x(1+1/52)x...x(1+1/152)x(1-1/51)x(1-1/52)x...x(1-1/152)=52/51x53/52x……x153/152x50/51x51/52x……x151/152=153/51x50/152=3x50/152=75/76等等我买零食来了我写了后 给你采纳
推荐
猜你喜欢
- 写圣诞贺卡的英语作文
- 已知P是△ABC所在平面外一点,PA、PB、PC两两垂直,H是△ABC的垂心,求证:PH⊥平面ABC.
- I want to take my favourite clothes on our trip to Beijing.take on是不是词组,
- At last,the _ man _(die),but his _ didn't cause too much suprise.
- 如图,在梯形ABCD中,已知AD∥BC,AB=CD,延长线段CB至E,使BE=AD,连接AE,AC.(1)求证△ABE≌△CDA.
- His father _______ (惩罚) him because he failed in the exam.
- 在三角形ABC中,∠ACB=90°,CD为高,CE平分∠BCD,且∠ACD比∠BCD=1比2,那么CE是AB边上的中线吗?
- 再别康桥 第一节与最后一节构成回环往复有什么表达效果