Các câu hỏi tương tự
cmr: A= 1/2.(1/6+1/24+1/60+...+1/9240)>57/462
So sánh A=1/2(1/6+1/24+1/60+...........+1/9240) và 57/462
Chứng minh rằng A=1/2(1/6+1/24+1/60+....+1/9240)>57/462
chứng minh rằng : A=1/2.(1/6+1/24+1/60+...+1/9240)>57/462
Chứng minh rằng : A=1/2.(1/6+1/24+1/60+...+1/9240)>57/462
CMR:A=1/2.(1/6+1/24+1/60+........+1/9240)>57/462
chung minh rang a=1/2.(1/6+1/24+1/60+...+1/9240)>57/462
c/m A=1/2(1/6+1/24+1/60+...........+1/9240)>57/462 làm chi tiết mình tick cho
a)Tính tổng:S=1/1.2.3+1/2.3.4+...+1/98.99.100
b)Chứng minh:A=1/2.(1/6+1/24+1/60+...+1/9240)>57/462