Các câu hỏi tương tự
cho A=1/2.3/4.5/6.../99/100
cmr: 1/15<A<1/10
choA=1/2.3/4.5/6.../99/100. cmr: 1/15<A<1/10
cho A = 1/2.3/4.5/6...99/100
cmr A<1/10
1/15<A
cmr 1/2.3/4.5/6. ... .99/100 < 1/10
CMR :A=1/2.3/4.5/6.....99/100<1/10
cho D= 1/2.3/4.5/6....99/100. chứng minh 1/15<D<1/10
Cho A=1/2.3/4.5/6...99/100. Chứng minh rằng 1/15<A<1/10
Cho A= 1/2.3/4.5/6....99/100. Chứng minh rằng: 1/15 < A < 1/10
cho a =1/2.3/4.5/6.....99/100 chung minh rang1/15<a<1/10