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Toán Lớp 5: 60 000 m2 = … héc ta 800 000= … héc ta 1800 héc ta = …km2 27 000 héc ta = -km2

Home/ Toán Lớp 5: 60 000 m2 = … héc ta 800 000= … héc ta 1800 héc ta = …km2 27 000 héc ta = -km2

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