\[\displaystyle{9 \over {11}}...{{12} \over {11}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\;\quad\quad\quad{{13} \over {15}}...{9 \over {15}}\]\[\displaystyle\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\quad\quad\quad{{17} \over {42}}...{{32} \over {42}}\]
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- Bài 1
- Bài 2
- Bài 3
- Bài 4
Bài 1
Điền dấu \[[>,\,=,\,{3 \over 7}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\quad \quad\quad\quad{8 \over {15}}1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\quad\quad\quad{{13} \over {15}}