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\(\dfrac{4}{100}=\dfrac{1}{25}\\ \dfrac{81}{54}=\dfrac{3}{2}\)
\(\frac{81}{54}\)=\(\frac{81:27}{54:27}\)=\(\frac{3}{2}\)
HT
\(\Leftrightarrow\dfrac{1}{2};\dfrac{1}{2};\dfrac{8}{5};\dfrac{3}{2}\)
Rút gọn P/S : \(\frac{81}{54}\)
\(\frac{81}{54}=\frac{81:9}{54:9}=\frac{9}{6}=\frac{9:3}{6:3}=\frac{3}{2}\)
@Trunglaai?
27/81=3/9=1/3
có lộn đề ko vậy trời ????????????????????????????????????????
\(\dfrac{14}{28}=\dfrac{14:14}{28:14}=\dfrac{1}{2}\)
\(\dfrac{33}{99}=\dfrac{33:33}{99:33}=\dfrac{1}{3}\)
\(\dfrac{12}{80}=\dfrac{12:4}{80:4}=\dfrac{3}{20}\)
\(\dfrac{50}{150}=\dfrac{50:50}{150:50}=\dfrac{1}{3}\)
\(\dfrac{45}{9}=\dfrac{45:9}{9:9}=5\)
\(\dfrac{81}{72}=\dfrac{81:9}{72:9}=\dfrac{9}{8}\)
\(\dfrac{34}{68}=\dfrac{34:34}{68:34}=\dfrac{1}{2}\)
\(\dfrac{14}{28}=\dfrac{1}{2};\dfrac{33}{99}=\dfrac{11}{33};\dfrac{12}{80}=\dfrac{3}{20};\dfrac{50}{150}=\dfrac{1}{3};\dfrac{45}{9}=5;\dfrac{81}{72}=\dfrac{9}{8};\dfrac{34}{68}=\dfrac{1}{2}\)
1/3
tick chi nha
cảm ơn em nhiều
27/81= (27 x 1)/(27 x 3)= 1/3