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Mathematics, 19.07.2021 14:00 henbry540

một thửa ruộng hình chữ nhật , có chiều rồng bằng 2/3 chiều dài và chu vi bằng 120 m . Tính diện tích thửa ruộng đó

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một thửa ruộng hình chữ nhật , có chiều rồng bằng 2/3 chiều dài và chu vi bằng 120 m . Tính diện tíc...
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