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thuyto19822
2 năm trước
Một hình tam giác vuong co tong hai canh goc vuong la 88 m va canh goc vuong nay bang 0,6 lan canh goc vuong kia . Tren thua ruộng nay nguoi ta trong lua , trung binh cu 100 m vuong thu được 70 kg Thoc . Hoi tren ca thua ruộng , nguoi ta thu hoạch đuoc bao nhieu ta Thoc ?
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