23 tháng 9 2015 lúc 20:01
Các câu hỏi tương tự
Tính tổng:
\(S=\frac{38}{25}+\frac{9}{10}-\frac{11}{15}+\frac{13}{21}-\frac{15}{28}+\frac{17}{36}-...+\frac{197}{4851}-\frac{199}{4950}\)
Tính tổng : \(S=\frac{38}{25}+\frac{9}{10}-\frac{11}{15}+\frac{13}{21}-\frac{15}{28}+\frac{17}{36}-...+\frac{197}{4851}-\frac{199}{4950}\)
Tính : \(A=\frac{88}{25}+\frac{9}{10}-\frac{11}{15}+\frac{13}{21}-\frac{15}{28}+\frac{17}{36}-...+\frac{197}{4851}-\frac{199}{4950}\)
Tính : \(Q=\frac{85}{25}+\frac{9}{10}-\frac{11}{5}+\frac{13}{21}-\frac{15}{28}+\frac{17}{36}-...+\frac{197}{4851}-\frac{199}{4950}\)
BÀI THI HỌC SINH GIỎI
Tim x \(\in\) Z biet :\(2.\left(x-2\right)^2=\frac{38}{25}+\frac{9}{10}-\frac{11}{15}+\frac{13}{21}-\frac{15}{28}+\frac{17}{36}-...+\frac{197}{4851}-\frac{199}{4950}\)
Cho \(Q=\frac{13}{25}+\frac{9}{10}-\frac{11}{25}+\frac{13}{21}-\frac{15}{28}+\frac{17}{36}-...+\frac{197}{4851}-\frac{199}{4950}\). CMR : \(Q>\frac{9}{10}\)
Câu này t nhìn quen quen nhưng ko bt lm...
Tính tổng: A =\(\frac{38}{25}\)+ \(\frac{9}{10}\)- \(\frac{11}{15}\)+ \(\frac{13}{21}\) - \(\frac{15}{28}\) + \(\frac{17}{36}\)- ..... + \(\frac{197}{4851}\)- \(\frac{199}{4950}\)
38/25+9/10-11/15+13/21-15/28+17/36_............+197/4851-199/4950
Tìm x, biết :
(x - 2)^2 = 38/25 + 9/10 - 11/15 + 13/21 - 15/28 + 17/36 - ..... + 197/4851 - 199/4950