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Trả lời : \(\frac{364}{729}\)đã tối giản
# Linh_Chymtee2k7 ~ Yew thw #
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\(\frac{72}{84}=\frac{6}{7}\) nha
HT
:)))
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Rút gọn:
\(\frac{35}{45}=\frac{35}{45}:\frac{5}{5}=\frac{7}{9}\)
HT
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\(\dfrac{90}{120}=\dfrac{30.3}{30.4}=\dfrac{3}{4}\)
\(\dfrac{15}{25}=\dfrac{5.3}{5.5}=\dfrac{3}{5}\)
\(\dfrac{18}{45}=\dfrac{9.2}{9.5}=\dfrac{2}{5}\)
\(\dfrac{36}{64}=\dfrac{4.9}{4.16}=\dfrac{9}{16}\)
\(\dfrac{32}{72}=\dfrac{8.4}{8.9}=\dfrac{4}{9}\)
\(\dfrac{84}{49}=\dfrac{7.12}{7.7}=\dfrac{12}{7}\)
\(\dfrac{90}{120}=\dfrac{3}{4};\dfrac{15}{25}=\dfrac{3}{5};\dfrac{18}{45}=\dfrac{2}{5};\dfrac{36}{64}=\dfrac{9}{16};\dfrac{32}{72}=\dfrac{4}{9};\dfrac{84}{49}=\dfrac{12}{7}\)
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\(\frac{1}{3}-\frac{1}{103}\)
\(=\frac{103}{309}-\frac{3}{309}\)
\(=\frac{100}{309}\)
~ Chúc bạn học tốt ~
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\(24m=\frac{24}{1000}km=\frac{3}{125}km.\)
6 yến = \(\frac{6}{100}\)tấn = \(\frac{3}{50}\)tấn.
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\(\frac{1515}{1717}=\frac{1515\div101}{1717\div101}=\frac{15}{17}\)
24m = \(\frac{24}{1000}\)km = \(\frac{3}{125}\)km
6 yến = \(\frac{6}{100}\)tấn = \(\frac{3}{50}\)tấn
\(\frac{1515}{1717}\)= \(\frac{15}{17}\)
20/36=5/9
12/56=3/14
36/18=2
56/28=2
108/207=12/23
chúc bạn học tốt !!!
\(\frac{20}{36}\)=\(\frac{5}{9}\); \(\frac{12}{56}\)=\(\frac{3}{14}\); \(\frac{36}{18}\)=2; \(\frac{56}{28}\)=2; \(\frac{108}{207}\)=\(\frac{12}{23}\)
_Học tốt_