下列分解因式正确的有() 个 、x^2+(-y)^2=(x+y)(x-y) 、4a^2-1=(4a+1)(4a-1) 、-9+4x^2=(3+2x)(2x-3)、a^2-b^2=(a-b)(a+b)A、1 B、2 C、3 D、4随便说出那几个是对的
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![下列分解因式正确的有() 个 、x^2+(-y)^2=(x+y)(x-y) 、4a^2-1=(4a+1)(4a-1) 、-9+4x^2=(3+2x)(2x-3)、a^2-b^2=(a-b)(a+b)A、1 B、2 C、3 D、4随便说出那几个是对的](/uploads/image/z/15232072-40-2.jpg?t=%E4%B8%8B%E5%88%97%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%9C%89%28%29+%E4%B8%AA+%E3%80%81x%5E2%2B%28-y%29%5E2%3D%28x%2By%29%28x-y%29+%E3%80%814a%5E2-1%3D%284a%2B1%29%284a-1%29+%E3%80%81-9%2B4x%5E2%3D%283%2B2x%29%282x-3%29%E3%80%81a%5E2-b%5E2%3D%28a-b%29%28a%2Bb%29A%E3%80%811+B%E3%80%812+C%E3%80%813+D%E3%80%814%E9%9A%8F%E4%BE%BF%E8%AF%B4%E5%87%BA%E9%82%A3%E5%87%A0%E4%B8%AA%E6%98%AF%E5%AF%B9%E7%9A%84)
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