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

Toán Lớp 8: Giải pt $x^{2}$ +400x-450000=0

Toán Lớp 8: Giải pt
$x^{2}$ +400x-450000=0

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