早教吧 育儿知识 作业答案 考试题库 百科 知识分享

(1+1/51)x(1-1/51)X(1+1/52)X(1-1/52)X(1+1/53)x(1-1/53)x...x(1+1/152)X(1-1/152)

题目详情
(1+1/51)x(1-1/51)X(1+1/52)X(1-1/52)X(1+1/53)x(1-1/53)x...x(1+1/152)X(1-1/152)
▼优质解答
答案和解析
原式=(1+1/51)(1+1/52)...(1+1/152)x(1-1/51)(1-1/52)...(1-1/152)=(52/51x53/52x54/53x...x153/152)x(50/51x51/52x...x151/152)=153/51x50/152=3x25/76=75/76