1.利用平方差公式计算:(1).27×33(2).5.9×6.1(3).99×101(4).1005×9952.利用完全平方差公式计算:(1).99^2(2).1002^23.计算:(1).-1/8a^5b^4c^2÷(4a^2b)(2).5(x-y)^5÷(x-y)^2(3).[x(x+1)+x^2(x-1)]÷(-3x)(4).[(m+n-p)(m+p+n)-(m+n)^2]÷(-p)
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![1.利用平方差公式计算:(1).27×33(2).5.9×6.1(3).99×101(4).1005×9952.利用完全平方差公式计算:(1).99^2(2).1002^23.计算:(1).-1/8a^5b^4c^2÷(4a^2b)(2).5(x-y)^5÷(x-y)^2(3).[x(x+1)+x^2(x-1)]÷(-3x)(4).[(m+n-p)(m+p+n)-(m+n)^2]÷(-p)](/uploads/image/z/5539752-0-2.jpg?t=1.%E5%88%A9%E7%94%A8%E5%B9%B3%E6%96%B9%E5%B7%AE%E5%85%AC%E5%BC%8F%E8%AE%A1%E7%AE%97%3A%281%29.27%C3%9733%282%29.5.9%C3%976.1%283%29.99%C3%97101%284%29.1005%C3%979952.%E5%88%A9%E7%94%A8%E5%AE%8C%E5%85%A8%E5%B9%B3%E6%96%B9%E5%B7%AE%E5%85%AC%E5%BC%8F%E8%AE%A1%E7%AE%97%3A%281%29.99%5E2%282%29.1002%5E23.%E8%AE%A1%E7%AE%97%3A%281%29.-1%2F8a%5E5b%5E4c%5E2%C3%B7%284a%5E2b%29%282%29.5%28x-y%29%5E5%C3%B7%28x-y%29%5E2%283%29.%5Bx%28x%2B1%29%2Bx%5E2%28x-1%29%5D%C3%B7%28-3x%29%284%29.%5B%28m%2Bn-p%29%28m%2Bp%2Bn%29-%28m%2Bn%29%5E2%5D%C3%B7%28-p%29)
1.利用平方差公式计算:(1).27×33(2).5.9×6.1(3).99×101(4).1005×9952.利用完全平方差公式计算:(1).99^2(2).1002^23.计算:(1).-1/8a^5b^4c^2÷(4a^2b)(2).5(x-y)^5÷(x-y)^2(3).[x(x+1)+x^2(x-1)]÷(-3x)(4).[(m+n-p)(m+p+n)-(m+n)^2]÷(-p)
1.利用平方差公式计算:
(1).27×33
(2).5.9×6.1
(3).99×101
(4).1005×995
2.利用完全平方差公式计算:
(1).99^2
(2).1002^2
3.计算:
(1).-1/8a^5b^4c^2÷(4a^2b)
(2).5(x-y)^5÷(x-y)^2
(3).[x(x+1)+x^2(x-1)]÷(-3x)
(4).[(m+n-p)(m+p+n)-(m+n)^2]÷(-p)
1.利用平方差公式计算:(1).27×33(2).5.9×6.1(3).99×101(4).1005×9952.利用完全平方差公式计算:(1).99^2(2).1002^23.计算:(1).-1/8a^5b^4c^2÷(4a^2b)(2).5(x-y)^5÷(x-y)^2(3).[x(x+1)+x^2(x-1)]÷(-3x)(4).[(m+n-p)(m+p+n)-(m+n)^2]÷(-p)
(1) (30-3)*(30+3)=30^2-3^2
(2) (6-0.1)*(6+0.1)
(3) (100-1)*(100+1)
(4) (1000+5)*(1000-5)
(1) (100-1)^2=100^2-2*100*1+1^2
(2) (1000+2)^2