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\(\frac{15}{13}\)> 1
\(\frac{70}{117}\)< 1
=> \(\frac{15}{13}\)> \(\frac{70}{117}\)
k cho mk nha
\(\frac{23}{144}\)mà
Ta có:
\(\frac{18}{91}>\frac{18}{108}\Rightarrow\frac{18}{91}>\frac{1}{6}\)
\(\frac{23}{144}< \frac{23}{138}\Rightarrow\frac{23}{144}< \frac{1}{6}\)
Vì \(\frac{18}{91}>\frac{1}{6};\frac{23}{144}< \frac{1}{6}\)nên \(\frac{18}{91}>\frac{23}{144}\)
a) \(\frac{30}{125}=\frac{180}{750}>\frac{180}{1323}>\frac{168}{1323}\Leftrightarrow\frac{30}{125}>\frac{168}{1323}\)
b) \(\frac{19}{60}< \frac{1}{3}< \frac{31}{90}\Leftrightarrow\frac{19}{60}< \frac{31}{90}\)
c) \(\frac{15}{23}=\frac{75}{115}>\frac{75}{117}>\frac{70}{117}\Leftrightarrow\frac{15}{23}>\frac{70}{177}\)
a)\(\frac{18}{91}\)< \(\frac{23}{114}\) ; b) \(\frac{1313}{9191}\) < \(\frac{1111}{7373}\)
a)\(\frac{18}{91}\)\(< \)\(\frac{23}{114}\)
b)\(\frac{1313}{9191}\)\(< \)\(\frac{1111}{7373}\)
chúng đều = nhau
a)12/23=1212/2323 =>= nhau
b)-3434/4141=--34/41=>= nhau
Ta có:
\(\frac{70}{117}\)<\(\frac{70}{115}\)=\(\frac{14}{23}\)=>\(\frac{70}{117}\)<\(\frac{14}{23}\)<\(\frac{15}{23}\)
=>\(\frac{70}{117}\)<\(\frac{15}{23}\)
\(\frac{15}{23}>\frac{70}{117}\)