Các câu hỏi tương tự
cho \(M=\frac{1}{2}.\frac{3}{4}.\frac{5}{6}....\frac{99}{100};N=\frac{2}{3}.\frac{4}{5}.\frac{6}{7}....\frac{100}{101}\)
a/ so sánh M và N
b/ tính M nhân N
c/ CMR : M < 1 / 10
cho \(M=\frac{1}{2}.\frac{3}{4}.\frac{5}{6}...\frac{99}{100}\)
\(N=\frac{2}{3}.\frac{4}{5}.\frac{6}{7}...\frac{100}{101}\)
CMR: M < 1/10
cho M.=\(\frac{1}{2}.\frac{3}{4}.\frac{5}{6}......\frac{99}{100}\)
N = \(\frac{2}{3}.\frac{4}{5}.\frac{6}{7}......\frac{100}{101}\)
cmr m<n
tính m.n
cmr m <\(\frac{1}{10}\)
Cho \(A=\frac{1}{2}.\frac{3}{4}.\frac{5}{6}.....\frac{99}{100}\)
CMR: \(\frac{1}{15}< A< \frac{1}{10}\)
Cho M =\(\frac{1}{2}.\frac{3}{4}.\frac{5}{6}...\frac{99}{100}vaN=\frac{2}{3}.\frac{4}{5}.\frac{6}{7}...\frac{100}{101}\)
a) Tinh tich M.N
b) chung minh M<N
c) Chung minh M < \(\frac{1}{10}\)
Cho A=\(\frac{1}{2}.\frac{3}{4}.\frac{5}{6}.\frac{99}{100}\)
CMR \(\frac{1}{15}\)bé hơn A bé hơn \(\frac{1}{10}\)
Làm nhanh giùm mình!
Cho \(M=\frac{1}{2}\)\(.\frac{3}{4}\)\(.\frac{5}{6}\)\(....\frac{99}{100}\)
\(CMR:\frac{1}{15}\)<M<\(\frac{1}{10}\)
Cho M=\(\frac{1}{2}.\frac{3}{4}.\frac{5}{6}....\frac{99}{100}\)
N=\(\frac{2}{3}.\frac{4}{5}.\frac{6}{7}.\frac{100}{101}\)
a, So sánh M và N
b, Tính M, N
c, CM M<\(\frac{1}{10}\)
Chứng minh rằng
a) \(\frac{1}{5}<\frac{1}{2}-\frac{1}{3}+\frac{1}{4}-\frac{1}{5}+...+\frac{1}{98}-\frac{1}{99}<\frac{2}{5}\)
b) \(\frac{1}{15}<\frac{1}{2}.\frac{3}{4}.\frac{5}{6}...\frac{99}{100}<\frac{1}{10}\)