\(\frac{15}{8}\): x: 3=\(\frac{3}{5}\)
\(\frac{15}{8}\): x = \(\frac{3}{5}\)x 3
\(\frac{15}{8}\): x = \(\frac{9}{5}\)
x= \(\frac{15}{8}\): \(\frac{9}{5}\)
x= \(\frac{15}{8}\)x \(\frac{5}{9}\)
x= \(\frac{25}{24}\)
ai k mình mình k lại
{\(\frac{2}{15}+\frac{5}{3}-\frac{3}{5}\)} : {\(4\frac{2}{3}-2\frac{1}{5}\)}
{\(\frac{2}{1x3}+\frac{2}{3x5}.\).......\(+\frac{2}{19x21}\)} x {\(\frac{2}{21}x\frac{3}{8}-\frac{5}{2}:70\)}
a)\(\frac{3}{5}-\frac{1}{3}-\frac{1}{6}\)
b)\(\frac{4}{7}x\frac{5}{8}x\frac{7}{12}\)
c)\(\frac{25}{28}:\frac{15}{14}x\frac{6}{7}\)
tìm x:
\(x:3\frac{5}{6}=2\frac{8}{15}\)
4/15 x 5/14 =
3/4: 5/12=
3\(\frac{1}{2}\)+2\(\frac{2}{3}\)
5\(\frac{3}{4}\)-1\(\frac{4}{5}\)
1\(\frac{3}{5}\)x\(\frac{3}{8}\)
tính
a) \(3\frac{4}{5}-2\frac{3}{4}:1\frac{1}{8}=????\)
b) \(4\frac{5}{7}:1\frac{5}{6}+2\frac{7}{15}x\frac{21}{74}=???????\)
tìm x biết: \(2009-\left(4\frac{5}{9}+x-7\frac{7}{8}\right):15\frac{3}{2}=2008\)
Tìm x
\(a,x+\frac{15}{7}=\frac{9}{2}\)
\(b,x-\frac{3}{4}=\frac{7}{2}\)
\(c,x\times\frac{7}{8}=\frac{12}{5}\)
\(d,\frac{5}{6}:x=\frac{4}{3}\)
a) \(x+\frac{7}{15}=1\frac{1}{20}\)
b) \(\left(3\frac{1}{2}-x\right)\cdot1\frac{1}{4}=\frac{15}{16}\)
c) \(1\frac{1}{5}x+\frac{2}{3}x=\frac{56}{125}\)
d)\(x+2\frac{1}{4}x=\frac{15}{8}\)
e)\(60\%x+0,4x+x:3=2\)
GIÚP MÌNH NHOA CÁC BẠN
tính
a) \(3\frac{4}{5}-2\frac{3}{4}:1\frac{1}{8}=????\)
b) \(4\frac{5}{7}:1\frac{5}{6}+2\frac{7}{15}x\frac{21}{74}=???????\)
