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

Toán Lớp 5: Tìm x: x + x : 0,5 + x : 0,25 + x : 0,125 = 15 ................................................................................... .................................................................................... .................................................................................... .................................................................................... .................................................................................... { "@context": "https://schema.org", "@type": "QAPage", ...

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