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1313/1717 = 13/17
102102/109109 = 102/109
424242/535353 = 42/53
103103103/109109109 = 103/109
1313/1717 = ( 1313 :101)/(1717:101)=13/17
171717/191919=(171717:10101)/(191919:10101)=17/19
231231/343343=(231231:7007)/(343343:7007)=33/49
373737/494949=(373737:10101)/(494949:10101)=37/49
\(\dfrac{1313}{1717}\) : \(\dfrac{1}{5}\) = \(\dfrac{13}{17}\) : \(\dfrac{1}{5}\) = \(\dfrac{65}{17}\)
\(\frac{1313}{1818}\)= \(\frac{1313:101}{1818:101}\)=\(\frac{13}{18}\)
\(=\dfrac{13}{17}\cdot\dfrac{17}{19}\cdot\dfrac{19}{13}=1\)
\(\dfrac{1313}{1515}=\dfrac{1313:101}{1515:101}=\dfrac{13}{15}\)
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\(\dfrac{176}{187}=\dfrac{176:11}{187:11}=\dfrac{16}{17}\)
\(\dfrac{1313}{1515}=\dfrac{1313:101}{1515:101}=\dfrac{13}{15}\)
\(\dfrac{176}{187}=\dfrac{176:11}{187:11}=\dfrac{16}{17}\)
TL:
13/17 nha
HT
K mik nha
lời giải chi tiết
\(\frac{1313}{1717}\)\(=\frac{1313}{1717}\)\(\frac{\div101}{\div101}\)\(=\frac{13}{17}\)
hok tốt nha
ok nhaaaaaaaaaaa
ok nha