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\(\dfrac{3}{6}=\dfrac{3:3}{6:3}=\dfrac{1}{2}\\ \dfrac{18}{24}=\dfrac{18:6}{24:6}=\dfrac{3}{4}\\ \dfrac{5}{35}=\dfrac{5:5}{35:5}=\dfrac{1}{7}\\ \dfrac{40}{90}=\dfrac{40:10}{90:10}=\dfrac{4}{9}\\ \dfrac{75}{30}=\dfrac{75:15}{30:15}=\dfrac{5}{2}\)
\(\dfrac{3}{6}=\dfrac{3:3}{6:3}=\dfrac{1}{2}\\ \dfrac{18}{24}=\dfrac{18:6}{24:6}=\dfrac{3}{4}\\ \dfrac{5}{35}=\dfrac{5:5}{35:5}=\dfrac{1}{7}\\ \dfrac{40}{90}=\dfrac{40:10}{90:10}=\dfrac{4}{9}\\ \dfrac{75}{30}=\dfrac{75:15}{30:15}=\dfrac{5}{2}\)
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18/24=3/4
15/35=3/7
40/56=5/7
96/36=16/6
ps 8/10=ps:4/5 và 32/40
k mik nha!^^^^^^^
\(\frac{18}{24}=\frac{3}{4}\)
\(\frac{15}{35}=\frac{3}{7}\)
\(\frac{40}{56}=\frac{5}{7}\)
\(\frac{96}{36}=\frac{8}{3}\)
Phân số bằng \(\frac{8}{10}\) là:
\(\frac{12}{15};\frac{4}{5};\frac{32}{40}\)
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\(\frac{3}{5}-\frac{5}{35}=\frac{21}{35}-\frac{5}{35}=\frac{16}{35}\)
\(\frac{18}{27}-\frac{2}{6}=\frac{1}{3}\)
\(\frac{15}{25}-\frac{3}{21}=\frac{16}{35}\)
\(\frac{24}{36}-\frac{6}{12}=\frac{1}{6}\)
tích đúng cho mk nhé
35−535=2135−535=163535−535=2135−535=1635
1827−26=131827−26=13
1525−321=16351525−321=1635
2436−612=16
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5/10=1/2
3/15=1/5
40/70=4/7
24/36=2/3
70/42=5/3
CHÚC BÀ HỌC GIỎI
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18/30=3/10
36/27=4/3
64/80=4/5
45/35=/9/7
ai thấy đúng thì k nha rùi mình k lại cho
\(\frac{18}{30}=\frac{18:6}{30:6}=\frac{3}{5}\)
\(\frac{36}{27}=\frac{36:9}{27:7}=\frac{4}{3}\)
\(\frac{64}{80}=\frac{64:16}{80:16}=\frac{4}{5}\)
\(\frac{45}{35}=\frac{45:5}{35:5}=\frac{9}{7}\)
3/6=1/2 18/24=3/4 5/35=1/7 75/30=5/2
Rút gọn phân số :
3/6 = 1/2 ( chia 2 )
18/24 = 3/4 ( chia 6 )
5/35 = 1/7 ( chia 5 )
40/90 = 4/9 ( chia 10 )
75 / 30 = 5/2 ( chia 15 )b
tk ủng hộ mk nha ạ ! cảm ơn nhiều lắm >_<