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sắp xếp các số sau theo thứ tụ từ bé đến lớn là
5/14;7/14;11/14;13/14;21/14;25/24;29/14;21/4.
sắp xếp các số sau theo thứ tụ từ bé đến lớn là
2/6; 1/2; 4/6; 7/6; 4/3; 11/6; 15/6; 22/6
HT
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1/ ( \(\frac{13}{2}\)+ \(\frac{14}{6}\)) - ( \(\frac{5}{15}\) + \(\frac{1}{3}\))
= \(\frac{53}{6}\) - \(\frac{2}{3}\)
= \(\frac{49}{6}\)
2/ \(\frac{4}{16}\)+ \(\frac{3}{4}\)+ \(\frac{4}{16}\) - \(\frac{3}{4}\)
= \(\frac{1}{2}\)
3/ ( \(\frac{35}{70}\)- \(\frac{2}{10}\)) + ( \(\frac{14}{8}\)-1)
= \(\frac{3}{10}\)+ \(\frac{3}{4}\)
= \(\frac{21}{20}\)
k cho mk nha
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\(\frac{3}{5}\times\frac{6}{7}+\frac{3}{5}:7+\frac{6}{5}\)
\(=\frac{3}{5}\times\frac{6}{7}+\frac{3}{5}\times\frac{1}{7}+\frac{6}{5}\)
\(=\frac{3}{5}\times\left(\frac{6}{7}+\frac{1}{7}\right)+\frac{6}{5}\)
\(=\frac{3}{5}\times1+\frac{6}{5}\)
\(=\frac{3}{5}+\frac{6}{5}=\frac{9}{5}\)
~ Hok tốt ~
\(\frac{29}{12}:\frac{1}{2}-\frac{5}{12}:\frac{1}{2}-\frac{1}{2}\)
\(=\left(\frac{29}{12}-\frac{5}{12}\right):\frac{1}{2}-\frac{1}{2}\)
\(=2:\frac{1}{2}-\frac{1}{2}\)
\(=4-\frac{1}{2}=\frac{7}{2}\)
~ Hok tốt ~
`6-14/3`
`= 18/3 -14/3`
`=(18-14)/3`
`= 4/3`
cứuuuuuuuuu