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\(a.\)\(\frac{601}{1203}<\frac{601}{1202}=\frac{1}{2}=\frac{511}{1022}<\frac{511}{1020}\)
b.\(\frac{347}{600}<\frac{347}{599}<\frac{374}{599}\)
Trả lời :
\(\frac{2010}{1020}=\frac{2010:30}{1020:30}=\frac{67}{34}\)
~ Hok tốt ~
\(a,\frac{4}{5}\times\frac{a}{b}=\frac{7}{10}\)
\(\frac{a}{b}=\frac{7}{10}:\frac{4}{5}\)
\(\frac{a}{b}=\frac{7}{10}\times\frac{5}{4}\)
\(\frac{a}{b}=\frac{7}{8}\)
\(b,\frac{1}{3}:\frac{a}{b}=\frac{2}{3}:\frac{4}{3}\)
\(\frac{1}{3}:\frac{a}{b}=\frac{2}{3}\times\frac{3}{4}\)
\(\frac{1}{3}:\frac{a}{b}=\frac{1}{2}\)
\(\frac{a}{b}=\frac{1}{3}:\frac{1}{2}\)
\(\frac{a}{b}=\frac{1}{3}\times2\)
\(\frac{a}{b}=2\)
\(c,\frac{a}{b}+\frac{3}{8}=\frac{5}{6}\)
\(\frac{a}{b}=\frac{5}{6}-\frac{3}{8}\)
\(\frac{a}{b}=\frac{11}{24}\)
\(6=\frac{6}{1}=\frac{12}{2}=\frac{24}{4}=\frac{48}{8}=\frac{96}{16}\)
\(5:9=\frac{5}{9}=\frac{10}{18}=\frac{20}{36}=\frac{40}{72}=\frac{80}{144}\)
\(1=\frac{3}{3}=\frac{5}{5}=\frac{7}{7}=\frac{9}{9}=\frac{11}{11}\)
\(0=\frac{0}{7}=\frac{0}{10}=\frac{0}{13}=\frac{0}{16}=\frac{0}{19}\)
Chúc em hok tốt!!!
\(\frac{7}{8}\)x \(\frac{8}{9}\)x \(\frac{9}{10}\)
= \(\frac{7}{9}\)x \(\frac{9}{10}\)
= \(\frac{7}{10}\)
1 x \(\frac{2}{3}\): \(\frac{4}{3}\) : \(\frac{5}{4}\)
= \(\frac{2}{3}\)x \(\frac{3}{4}\)x \(\frac{4}{5}\)
= \(\frac{1}{2}\) x \(\frac{4}{5}\)
= \(\frac{2}{5}\)
\(\frac{7}{8}\times\frac{8}{9}\times\frac{9}{10}\)
\(=\frac{7\times8\times9}{8\times9\times10}\)
\(=\frac{7}{10}\)
\(1\times\frac{2}{3}:\frac{4}{3}:\frac{5}{4}\)
\(=\frac{2}{3}\times\frac{3}{4}\times\frac{4}{5}\)
\(=\frac{2}{5}\)
2 nha Lương Ngọc Linh
\(Đápsố:2\)