十字相乘法 1.x²-5xy+6y² 2.x³-3x³-10x 3.x∧4-2x²-8 4.(y-2)²+3(y-2)-28 5.2t²+7t+6 6.2t²-t-6 7.6x²-7x-3 8.3x²-10xy+3y² 9.4x²-4ab-3b² 10.6x²-29-120
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![十字相乘法 1.x²-5xy+6y² 2.x³-3x³-10x 3.x∧4-2x²-8 4.(y-2)²+3(y-2)-28 5.2t²+7t+6 6.2t²-t-6 7.6x²-7x-3 8.3x²-10xy+3y² 9.4x²-4ab-3b² 10.6x²-29-120](/uploads/image/z/1340226-18-6.jpg?t=%E5%8D%81%E5%AD%97%E7%9B%B8%E4%B9%98%E6%B3%95+1.x%26%23178%3B-5xy%2B6y%26%23178%3B+2.x%26%23179%3B-3x%26%23179%3B-10x+3.x%E2%88%A74-2x%26%23178%3B-8+4.%28y-2%29%26%23178%3B%2B3%28y-2%29-28+5.2t%26%23178%3B%2B7t%2B6+6.2t%26%23178%3B-t-6+7.6x%26%23178%3B-7x-3+8.3x%26%23178%3B-10xy%2B3y%26%23178%3B+9.4x%26%23178%3B-4ab-3b%26%23178%3B+10.6x%26%23178%3B-29-120)
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十字相乘法 1.x²-5xy+6y² 2.x³-3x³-10x 3.x∧4-2x²-8 4.(y-2)²+3(y-2)-28 5.2t²+7t+6 6.2t²-t-6 7.6x²-7x-3 8.3x²-10xy+3y² 9.4x²-4ab-3b² 10.6x²-29-120
十字相乘法 1.x²-5xy+6y² 2.x³-3x³-10x 3.x∧4-2x²-8 4.(y-2)²+3(y-2)-28 5.2t²+7t+6 6.2t²-t-6 7.6x²-7x-3 8.3x²-10xy+3y² 9.4x²-4ab-3b² 10.6x²-29-120
十字相乘法 1.x²-5xy+6y² 2.x³-3x³-10x 3.x∧4-2x²-8 4.(y-2)²+3(y-2)-28 5.2t²+7t+6 6.2t²-t-6 7.6x²-7x-3 8.3x²-10xy+3y² 9.4x²-4ab-3b² 10.6x²-29-120