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Physics, 03.09.2021 04:40 kaveon2019

bốn thửa ruộng nhà bác an, ba , đạt, lan thu hoạch được 1,2 tấn gạo. SỐ thóc thu hoạch được của bác an , ba, đạt lần lượt là 1/3; 0,3; 15%.tính khối lượng thóc nhà bác lan thu hoạch được là

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bốn thửa ruộng nhà bác an, ba , đạt, lan thu hoạch được 1,2 tấn gạo. SỐ thóc thu hoạch được của bác...
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