Toán Lớp 7: $\frac{x}{y}$ =$\frac{2}{5}$ va x.y=40
Mn giai le ik ma 🙁
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Toán Lớp 7: $\frac{x}{y}$ =$\frac{2}{5}$ va x.y=40
Mn giai le ik ma 🙁
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