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

Toán Lớp 8: a)(x+2)^2+(x-1)^2+(x-3)(x+3)=-8 b)2021x(x-2020)-x+2020=0

Toán Lớp 8: a)(x+2)^2+(x-1)^2+(x-3)(x+3)=-8
b)2021x(x-2020)-x+2020=0

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

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