phân số

D

dovanngochung123

đây luôn

mình rút gọn như sau lần lượt nhé!
2/3
1/10
4/5
1/2
1/11
 
T

thangvegeta1604

$\dfrac{8}{12}=\dfrac{8:4}{12:4}=\dfrac{2}{3}$
$\dfrac{2}{20}=\dfrac{2:2}{20:2}=\dfrac{1}{10}$
$\dfrac{20}{25}=\dfrac{20:5}{25:5}=\dfrac{4}{5}$
$\dfrac{18}{36}=\dfrac{18:18}{36:18}=\dfrac{1}{2}$
$\dfrac{11}{121}=\dfrac{11:11}{121:11}=\dfrac{1}{11}$
 
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