5/24-36/7 x 49/3-(49/3) *Đây là phân số.*
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a) \(\dfrac{16}{24};\dfrac{14}{15};\dfrac{25}{27};\dfrac{50}{100}\)
b) \(\dfrac{9}{4};\dfrac{5}{4};\dfrac{7}{5};\dfrac{19}{7};\dfrac{49}{36}\)
c) \(\dfrac{13}{13};\dfrac{35}{35}\)
a: 16/24; 14/15; 25/27; 50/100
b: 9/4; 5/4; 7/5; 19/7; 49/36
c: 13/13; 35/35

a: 5/3=10/6=25/15=35/21
b: 5/7=35/49
6/15=12/30
4/5=16/20
c: 6=216/36=324/54=108/18
a)\(\dfrac{5}{3}=\dfrac{10}{6}=\dfrac{25}{15}=\dfrac{35}{21}\)
b)\(\dfrac{5}{7}=\dfrac{35}{49};\dfrac{6}{15}=\dfrac{12}{30};\dfrac{4}{5}=\dfrac{16}{20}\)
c) \(6=\dfrac{216}{36}=\dfrac{324}{54}=\dfrac{108}{18}\)

4.
49 : \(\frac{5}{7}\)= 49 x \(\frac{7}{5}\)= \(\frac{49}{1}\)x \(\frac{7}{5}\)= \(\frac{343}{5}\)
\(\frac{343}{5}\)x \(49\)= \(\frac{343}{5}\)x \(\frac{49}{1}\)= \(\frac{16807}{5}\)

\(\dfrac{36}{54}\) = \(\dfrac{36:18}{54:18}\) = \(\dfrac{2}{3}\)
\(\dfrac{28}{49}\) = \(\dfrac{28:7}{49:7}\) = \(\dfrac{4}{7}\)
\(\dfrac{48}{100}\) = \(\dfrac{48:4}{100:4}\) \(\dfrac{12}{25}\)
\(\dfrac{45}{81}\) = \(\dfrac{45:9}{81:9}\) = \(\dfrac{5}{9}\)

đáp án =0
5/24-84-49/3
=-2011/24-49/3
=-801/8