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leuyen.02052001
2 năm trước
thửa ruộng thứ nhất có diện tích kém thửa ruộng thứ hai là 100m2. diện tích thửa ruộng thứ nhất bằng 3/5 thửa ruộng thứ hai. a) hỏi diện tích thửa ruộng thứ hai là bao nhiêu đề ca mét vuông? b) người ta cấy lúa ở cả hai thửa ruộng, trung bình cứ 100m2 thu được 75kg thóc. hỏi cả hai thửa ruộng thu hoạch được bao nhiêu tạ thóc? ai nhanh tay mik sẽ like cảm ơn các bạn.
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