Engineering, 24.07.2021 16:00 KevinReed8292
hai lớp 7A và 7B đi lao động trồng cây. Biết rằng tỉ số giữa số cây trồng được cuarlopws 7A và 7B là 0,8 và lớp 7B trồng nhiều hơn lớp 7A là 20 cây. Tính số cây lớp đã trồng
Answers: 2
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hai lớp 7A và 7B đi lao động trồng cây. Biết rằng tỉ số giữa số cây trồng được cuarlopws 7A và 7B là...
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