Rút gọn PS
\(\dfrac{3131}{3535}\)
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\(\dfrac{3131}{3535}=\dfrac{31}{35}\)
\(\dfrac{204204}{217217}=\dfrac{204}{217}\)
\(\dfrac{414414}{494949}=\dfrac{1518}{1813}\)
\(\dfrac{171171171}{180180180}=\dfrac{19}{20}\)
\(\dfrac{3131}{3535}=\dfrac{31}{35}\)
\(\dfrac{204204}{217217}=\dfrac{204}{217}\)
\(\dfrac{414414}{494949}=\dfrac{1518}{1813}\)
\(\dfrac{171171171}{180180180}=\dfrac{19}{20}\)
1212/3939=4/13
3131/3535=31/35
tk mình nhé bạn
Thank you vẻy much
\(\frac{3131}{3535}=\frac{3131:101}{3535:101}=\frac{31}{35}\)
\(\frac{204204}{217217}=\frac{204204:1001}{217217:1001}=\frac{204}{217}\)
\(\frac{414141}{180180}=\frac{414141:273}{180180:273}=\frac{1517}{660}\)
\(\frac{171171171}{180180180}=\frac{171171171:9009009}{180180180:9009009}=\frac{19}{20}\)
`143/132=(143:11)/(132:11)=13/12`
`3535/3737=(3535:101)/(3737:101)=35/37`
\(\dfrac{-1515}{-3131}=\dfrac{\left(-1515\right):\left(-101\right)}{\left(-3131\right):\left(-101\right)}=\dfrac{15}{31}\)
\(\dfrac{4242}{3131}=\dfrac{4242:101}{3131:101}=\dfrac{42}{31}\)
chi tiết nhá
31/35