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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:
\(\frac{131313}{585858}=\frac{13}{58}\)
\(\frac{125125}{149149}=\frac{125}{149}\)
a) \(\frac{2525}{2727}=\frac{2525:101}{2727:101}=\frac{25}{27}\)
\(\frac{135135}{500500}=\frac{135135:5005}{500500:5005}=\frac{27}{100}\)
\(\frac{153153153}{170170170}=\frac{153153153:17017017}{170170170:17017017}=\frac{9}{10}\)
b) \(\frac{7}{20}=\frac{7x6}{20x6}=\frac{42}{120}\)
\(\frac{23}{30}=\frac{23x4}{30x4}=\frac{92}{120}\)
\(\frac{34}{40}=\frac{34x3}{40x3}=\frac{102}{120}\)
\(\frac{53}{60}=\frac{53x2}{60x2}=\frac{106}{120}\)
a)\(\frac{2525}{2727}\)không rút gọn được. b)\(\frac{7}{20}\) = \(\frac{42}{120}\);\(\frac{23}{30}\) = \(\frac{92}{120}\);\(\frac{34}{40}\) = \(\frac{102}{120}\);\(\frac{53}{60}\) = \(\frac{106}{120}\)
\(\frac{135135}{500500}\)= \(\frac{57027}{100100}\)
\(\frac{135153153}{170170170}\)=\(\frac{45051051}{56723390}\)
a/1/4,3/7,101/131
b/15/45=15:15/45:15=1/3
72/90=72:18/90:18=4/5
50/120=50:10/120:10=5/12
\(a,\dfrac{225}{900}=\dfrac{225:225}{900:225}=\dfrac{1}{4};b,\dfrac{125125}{250250}=\dfrac{125125:125125}{250250:125125}=\dfrac{1}{2}\)
\(\frac{100}{244}=\frac{25\cdot4}{4\cdot61}=\frac{25}{61}\)
\(\frac{49}{315}=\frac{7\cdot7}{7\cdot45}=\frac{7}{45}\)
100 / 244 = 25 / 61
49 / 325 = 7 / 45
Chúc bn hok tốt!!
\(\dfrac{125125}{500500}=\dfrac{125\cdot1001}{500\cdot1001}=\dfrac{125}{500}=\dfrac{125:125}{500:125}=\dfrac{1}{4}\)
\(\dfrac{125125}{500500}\) = \(\dfrac{125125:125125}{500500:125125}\) = \(\dfrac{1}{4}\)