Toán Lớp 4: 10tạ=……..tấn 1m2= ……..dm2 300dm2=………m2
100cm2=….dm2 15m2= …..dm2 7500dm2=…….m2
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Toán Lớp 4: 10tạ=……..tấn 1m2= ……..dm2 300dm2=………m2
100cm2=….dm2 15m2= …..dm2 7500dm2=…….m2
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