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

Toán Lớp 8: b) (2x+1)^2-2x-12=(x+1)^2 Tìm x

Toán Lớp 8: b) (2x+1)^2-2x-12=(x+1)^2 Tìm x

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