Các câu hỏi tương tự
\(\left(\frac{3}{5}-\frac{3}{20}\right)X\frac{4}{5}\)
Tìm X biết : X x \(\frac{3+\frac{3}{20}+\frac{3}{13}+\frac{3}{2013}}{5+\frac{5}{20}+\frac{5}{13}+\frac{5}{2013}}=\frac{5}{3}\)
Tìm X
\(\frac{X}{20}=\frac{3}{4}+\frac{-3}{5}\)
\(x+\frac{3+\frac{3}{20}+\frac{3}{13}+\frac{3}{2013}}{5+\frac{5}{20}+\frac{5}{13}+\frac{5}{2013}}=\frac{9}{2}\)
tìm x
X *\(\frac{3+\frac{3}{20}+\frac{3}{13}+\frac{3}{2013}}{5+\frac{5}{20}+\frac{5}{13}+\frac{5}{2013}}=\frac{5}{3}\)
tìm x biết
a) \(\frac{13+x}{20}=\frac{3}{4}\)
b)\(\frac{23-x}{25}=\frac{4}{5}\)
Tinhs giá trị biểu thức ::a) 8,3 x 39 - 2,93 x 500 + 19,3 x 20b) 3frac{3}{2}timesfrac{3}{17}+frac{4}{9}timesfrac{27}{8}-frac{1}{3}c)9,31 : 6 + 13,8 : 6 -5,11 : 6d) frac{19,8div0,2times44,44div0,5times13,2div0,25}{3,3times88,88div0,5times6,6div0,125times5}e) frac{5}{1.6}+frac{5}{6.11}+...+frac{5}{501.506}f) frac{frac{4}{7}+frac{12}{13}+frac{16}{17}-frac{8}{27}}{frac{5}{21}+frac{15}{39}+frac{20}{51}-frac{10}{81}}
Đọc tiếp
Tinhs giá trị biểu thức ::
a) 8,3 x 39 - 2,93 x 500 + 19,3 x 20
b) \(3\frac{3}{2}\times\frac{3}{17}+\frac{4}{9}\times\frac{27}{8}-\frac{1}{3}\)
c)9,31 : 6 + 13,8 : 6 -5,11 : 6
d) \(\frac{19,8\div0,2\times44,44\div0,5\times13,2\div0,25}{3,3\times88,88\div0,5\times6,6\div0,125\times5}\)
e) \(\frac{5}{1.6}+\frac{5}{6.11}+...+\frac{5}{501.506}\)
f) \(\frac{\frac{4}{7}+\frac{12}{13}+\frac{16}{17}-\frac{8}{27}}{\frac{5}{21}+\frac{15}{39}+\frac{20}{51}-\frac{10}{81}}\)
tim X ho mik nha
:\(199,5:\frac{\frac{3}{5}\cdot X+4}{20}+8,5=\frac{242}{5}\)
a)\(\left(1-\frac{1}{2}\right)x\left(1-\frac{1}{3}\right)x\left(1-\frac{1}{4}\right)x\left(1-\frac{1}{5}\right)x......x\left(1-\frac{1}{18}\right)x\left(1-\frac{1}{19}\right)x\left(1-\frac{1}{20}\right)\)
b)\(1\frac{1}{2}x1\frac{1}{3}x1\frac{1}{4}x1\frac{1}{5}x......x1\frac{1}{2005}x1\frac{1}{2006}x1\frac{1}{2007}\)
\(x\times\frac{3+\frac{3}{20}+\frac{3}{13}+\frac{3}{2013}}{5+\frac{5}{20}+\frac{5}{13}+\frac{5}{2013}}=\frac{5}{3}\)
(Nhanh lên ! Đề tuyển sinh Ams, cần gấp !)