Các câu hỏi tương tự
Tinh gia tri cua bieu thuc \(D=\frac{1}{6}+\frac{1}{10}+\frac{1}{15}+\frac{1}{21}+\frac{1}{28}+\frac{1}{36}+\frac{1}{45}\)
Nho giai va trinh bay cach lam cho minh luon nha ^_^
Tinh hop ly gia tri cac bieu thuc sau
c) \(6\frac{5}{12}:2\frac{3}{4}+11\frac{1}{4}.\left(\frac{1}{3}-\frac{1}{5}\right)\)
d) \(\left(\frac{3}{5}+0,415-\frac{3}{200}\right).2\frac{2}{3}.0,25\)
Tim so nguyen duong \(x\) biet : \(\frac{x}{9}
tinh gia tri bieu thuc
A = \(3+\frac{1}{1+\frac{1}{1+\frac{1}{1+\frac{1}{3}}}}\)
\(B=-5+\frac{1}{1-\frac{1}{2+\frac{1}{1-\frac{1}{4}}}}\)
Ai làm nhanh nhat minh tk cho
Cho A =\(\frac{1}{11}+\frac{1}{12}+\frac{1}{13}+.......+\frac{1}{70}\)
CMR :
a , A > \(\frac{4}{3}\)
b , A < 2,5
NHO GIAI GIUP MINH NHA ( CHO LIKE KHI TRA LAI DUNG VA CACH LAM VA CONG THUC !!!!!!!!!!!!!!!!!!
SAU 48 GIO THI 1 LIKE CON TRUOC THI 3 LIKE
NHO LAM DUNG NHA
NEU CO NHIEU NGUOI THI NGUOI NHANH NHAT SE DUOC 4 LIKE
CAC BAN GIUP MINH NHA
GIUP SOM NHA BAI NAY HOI KHO DO
Tim \(n\in Z\)biet \(A=\frac{7}{n+3}\)la mot so nguyen
Nho giai va trinh bay cach lam cho minh luon nha ^_^
tinh gia try bieu thuc
A=\(\left[\frac{1}{7}+\frac{1}{23}-\frac{1}{1009}\right]:\left[\frac{1}{23}+\frac{1}{7}-\frac{1}{1009}+\frac{1}{7}\times\frac{1}{23}\times\frac{1}{1009}\right]+1:\left[30\times1009-160\right]\)
ai lam dung co ca cach lam cho 1 like
Tinh giai tri cac bieu thuc sau
F = \(\frac{1}{3}+\frac{1}{6}+\frac{1}{10}+...+\frac{1}{190}\)
cho phan so \(A=\frac{6n-1}{3n-2}\).Tim gia tri nho nhat cua bieu thuc A