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Sai
Bạn lấy máy tính ra rồi tính xem 1997 + 1995 = bao nhiêu nhé ;)
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\(\frac{5}{6}\)< x < \(\frac{8}{3}\)
Suy ra các số nằm giữa \(\frac{5}{6}\) và \(\frac{16}{6}\) là : \(\frac{6}{6}\) ; \(\frac{7}{6}\) ; \(\frac{8}{6}\) ; \(\frac{9}{6}\) ; \(\frac{10}{6}\) ; ...
Còn bao nhiêu bạn liệt kê hết ra nhé
tk mình nhé
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\(\frac{2}{3}+\frac{3}{4}< x< 3\frac{8}{9}\)
\(\Leftrightarrow\frac{8}{12}+\frac{9}{12}< x< \frac{3\cdot9+8}{9}\)
\(\Leftrightarrow\frac{17}{12}< x< \frac{35}{9}\)
\(\frac{2}{3}+\frac{3}{4}< x< 3\frac{8}{9}\)
\(\Rightarrow\frac{17}{12}< x< \frac{35}{9}\left(=\frac{3\times9+8}{9}\right)\)
\(\Rightarrow\frac{17\times3}{12\times3}< x< \frac{35\times4}{9\times4}\)
\(\Rightarrow\frac{51}{36}< x< \frac{140}{36}\)
\(\Rightarrow\)\(x=\frac{52}{36},\frac{53}{36},...,\frac{139}{36}\)
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\(\frac{2}{3}+\frac{3}{4}< x< 1\frac{1}{3}+\frac{4}{5}\)
\(\Rightarrow\) \(\frac{1}{12}< x< \frac{32}{15}\)
\(\Rightarrow\) \(0,08< x< 2,1\)
\(\Rightarrow\) \(x=0\) \(;\) \(x=1\) \(;\) \(x=2\)
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\(\frac{22010}{100}< y\cdot5< 2,258:0,01\)
\(\Rightarrow220,1< y.5< 225,8\)
\(\Rightarrow44,02\cdot5< y\cdot5< 45,16\cdot5\)
\(\Rightarrow44,02< y< 45,16\)
\(\Rightarrow y=45\)
Vậy\(y=45\)
\(3\frac{1}{2}\cdot4,2< y< 1,65:\frac{1}{10}\)
\(\Rightarrow14,7< y< 16,5\)
\(\Rightarrow y=15;16\)
Vậy \(y=15\)và\(y=16\)
Cảm ơn bạn vì đã đánh giá!