May 2021 1 173 Report
Giai bai toan bang cach lap phuong trinh?

1 doi may keo du dinh moi ngay cay dc 40 Ha.khi thuc hien ,moi ngay cay duoc 52 Ha.Vi vay khong nhung da cay xong truoc thoi han 2 ngay ma con them duoc 4 Ha nua.

=>Tinh dien tich ruong ma doi phai keo theo ke hoach nhat dinh??

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