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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: Điền vào chỗ chấm: a, 42dm4cm = …………………….dm b, 2cm² 5mm ²= …………………cm² c, 6,5ha = …………………….m² d, 300g = ……………………..kg { "@context": "https://schema.org", ...

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