Do \(\dfrac{6}{5}< x-\dfrac{3}{2}< \dfrac{12}{5}\)
\(\Leftrightarrow x-\dfrac{3}{2}\in\left\{\dfrac{7}{5};\dfrac{8}{5};\dfrac{9}{5};\dfrac{10}{5};\dfrac{11}{5}\right\}\)
\(\Rightarrow\)Ta có bảng:
\(x-\dfrac{3}{2}\) | \(x\) | \(KL\) |
\(\dfrac{7}{5}\) | \(\dfrac{29}{10}\) | \(TM\) |
\(\dfrac{8}{5}\) | \(\dfrac{31}{10}\) | \(TM\) |
\(\dfrac{9}{5}\) | \(\dfrac{33}{10}\) | \(TM\) |
\(\dfrac{10}{5}\) | ... | ... |
\(\dfrac{11}{5}\) | ... | ... |
Mấy ô còn lại bạn tự tính rồi KL nhé, mình mỏi tay quá!