rút gọn hai phân số 218218/312312 va 171717/787878
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\(\frac{312312}{415415}\)= \(\frac{312312:1001}{415415:1001}\)= \(\frac{312}{415}\)
\(\frac{1313}{1717}=\frac{1313:101}{1717:101}=\frac{13}{17}\)
\(\frac{131313}{171717}=\frac{131313:10101}{171717:10101}=\frac{13}{17}\)
a) \(\frac{171717}{232323}=\frac{17}{23}\)
b) \(\frac{193193193}{197197197}=\frac{193}{197}\)
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a) \(\frac{171717}{292929}=\frac{171717:10101}{292929:10101}=\frac{17}{29}\)
b) \(\frac{3344}{1212}=\frac{3344:4}{1212:4}=\frac{836}{303}\)
c) \(\frac{20192019}{20172017}=\frac{20192019:10001}{20172017:10001}=\frac{2019}{2017}\)
a) 17/29(chia cho 10101)
B) 836/303( chia 4)
C) 2019/2017(chia 10001)
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
109/156
17/78
109/156
17/78