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\(a,\dfrac{225}{900}=\dfrac{225:225}{900:225}=\dfrac{1}{4};b,\dfrac{125125}{250250}=\dfrac{125125:125125}{250250:125125}=\dfrac{1}{2}\)
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\(\frac{121212}{131313}=\frac{12}{13}\)
\(\frac{123123}{113113}=\frac{123}{113}\)
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\(\frac{121212}{131313}=\frac{12.10101}{13.10101}=\frac{12}{13}\)
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\(\frac{222}{333}=\frac{2\times111}{3\times111}=\frac{2}{3}=\frac{2\times5}{3\times5}=\frac{10}{15}\)
\(\frac{131313}{151515}=\frac{13\times10101}{15\times10101}=\frac{13}{15}\)
Có \(\frac{10}{15}< \frac{13}{15}\)nên \(\frac{222}{333}< \frac{131313}{151515}\).
\(\frac{16}{18}=\frac{18-2}{16}=1-\frac{2}{16}\)
\(\frac{72}{73}=\frac{73-1}{73}=1-\frac{1}{73}>1-\frac{2}{73}>1-\frac{2}{16}\)
Suy ra \(\frac{72}{73}>\frac{16}{18}\).
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Ta có :
\(\frac{1960}{1008}=\frac{1960:56}{1008:56}=\frac{35}{18}\)
\(\frac{1200}{1728}=\frac{1200:48}{1728:48}=\frac{25}{36}\)
\(\frac{131313}{919191}=\frac{131313:131313}{919191:131313}=\frac{1}{7}\)
\(\frac{575757}{191919}=575757:191919=3\)
1960/1008 = 35/18
1200/1728 = 25/36
131313/919191 = 1/7
575757/191919 = 3
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\(\frac{312312}{415415}\)= \(\frac{312312:1001}{415415:1001}\)= \(\frac{312}{415}\)
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a)\(\frac{125125}{150150}=\frac{5}{6}\)
b)\(\frac{121212}{484848}=\frac{1}{4}\)
c)\(\frac{5555}{7575}=\frac{11}{15}\)
d)\(\frac{888888}{500500}=\frac{222}{125}\)
tk mk nha bn
Ta có:
\(\frac{131313}{585858}=\frac{13}{58}\)
\(\frac{125125}{149149}=\frac{125}{149}\)
\(\frac{131313}{585858}=\frac{13}{58}\)
\(\frac{125125}{149149}=\frac{125}{149}\)