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

Toán Lớp 11: sin2x+cos2x-4(sinx+cosx)+1=0 Có ai giúp mk pt này vs ạ mk cảm ơn trc

Toán Lớp 11: sin2x+cos2x-4(sinx+cosx)+1=0 Có ai giúp mk pt này vs ạ mk cảm ơn trc

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