Các câu hỏi tương tự
a,\(\frac{0,75-0,6+\frac{3}{7}+\frac{3}{13}}{2,75-2,2+\frac{11}{7}+\frac{11}{13}}\)
b,\(\frac{5}{9}:\left(\frac{1}{3}+\frac{1}{4}\right)+\frac{5}{9}:\left(\frac{1}{9}+\frac{2}{3}\right)\)
giup minh voi!!!!
M=\(\frac{-5}{7}.\frac{2}{11}+\frac{-5}{7}.\frac{9}{11}1\frac{5}{7}\)
N=\(\frac{6}{7}+\frac{5}{8}:5-\frac{3}{16}.\left(-2\right)^2\)
P=\(50\%.1\frac{1}{3}.10.\frac{7}{35}.0,75\)
thuc hiện phép tính
GIÚP MK VS =-=
bai 1 :thuc hien phep tinh
a)\(\frac{-5}{2}:\left(\frac{3}{4}-\frac{1}{2}\right)\) b) \(11\frac{3}{13}-\left(2\frac{4}{7}+5\frac{3}{13}\right)\) c)\(\left(\frac{-5}{24}+0,75+\frac{7}{12}\right):\left(-2\frac{1}{4}\right)^2\)
AI LAM NHANH VA DUNG THI MK SE TICK CHO NHA
MK DAG CAN GAP !!!!!!! CAC BAN LAM NHANH LEN NHA
\(501\frac{1}{3}.10.\frac{7}{35}.0,75\%\)
bai 1 : thuc hien phep tinh:a) frac{-5}{2}:left(frac{3}{4}-frac{1}{2}right) b) 11frac{3}{13}-left(2frac{4}{7}+5frac{3}{13}right) c) left(frac{-5}{24}+0,75+frac{7}{12}right):left(-2frac{1}{4}right)^2AI LAM NHANH VA DUNG THI MK SE TICK CHO NGUOI DO HIHI ^_^
Đọc tiếp
bai 1 : thuc hien phep tinh:
a) \(\frac{-5}{2}\)\(:\left(\frac{3}{4}-\frac{1}{2}\right)\) b) \(11\frac{3}{13}-\left(2\frac{4}{7}+5\frac{3}{13}\right)\) c) \(\left(\frac{-5}{24}+0,75+\frac{7}{12}\right):\left(-2\frac{1}{4}\right)^2\)
AI LAM NHANH VA DUNG THI MK SE TICK CHO NGUOI DO HIHI ^_^
Ai lam giup minh bai nay voi.
-1+2+3-4-5+6+7-8-9+...+2011-2012-2013
Bai 1: a) \(\frac{3}{7}.\frac{-5}{9}+\frac{4}{9}.\frac{3}{7}-\frac{3}{7}.\frac{8}{9}\)
b) \(1\frac{13}{15}.0,75-\left(\frac{11}{20}+25\%\right):\frac{7}{5}\)
bài 2:
a) \(\frac{-3}{4}x-\frac{4}{10}=\frac{1}{5}\)
b) \(3\left(x-\frac{1}{3}\right)+\frac{1}{3}x=\frac{1}{19}:\frac{12}{19}\)
c)
bai 1, tinh nhanh
a, 2.\(\frac{3}{7}\)+(\(\frac{2}{9}+1\frac{3}{7}\)) - \(\frac{5}{3}:\frac{1}{9}\)
bai 2, tinh tong tat ca cac so nguyen x thoa man : /x/ < 2013
bai 3, chung to rang phan so \(\frac{2n+1}{3n+1}\) la phan so toi gian
giup minh voi minh can gap
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