多项式的因式分解1.(x²+3)²-4x²2.-x²+1/43.-4(x+2y)²+9(2x-y)²4.简便计算:9*1.2²-16*1.4²5.计算:(1-1/2²)(1-1/3²)(1-1/4²)······(1-1/10²)
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![多项式的因式分解1.(x²+3)²-4x²2.-x²+1/43.-4(x+2y)²+9(2x-y)²4.简便计算:9*1.2²-16*1.4²5.计算:(1-1/2²)(1-1/3²)(1-1/4²)······(1-1/10²)](/uploads/image/z/3815347-67-7.jpg?t=%E5%A4%9A%E9%A1%B9%E5%BC%8F%E7%9A%84%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A31.%28x%26%23178%3B%2B3%29%26%23178%3B-4x%26%23178%3B2.-x%26%23178%3B%2B1%2F43.-4%28x%2B2y%29%26%23178%3B%2B9%282x-y%29%26%23178%3B4.%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%EF%BC%9A9%2A1.2%26%23178%3B-16%2A1.4%26%23178%3B5.%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%881-1%2F2%26%23178%3B%EF%BC%89%EF%BC%881-1%2F3%26%23178%3B%EF%BC%89%EF%BC%881-1%2F4%26%23178%3B%EF%BC%89%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%EF%BC%881-1%2F10%26%23178%3B%EF%BC%89)
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