101²+101×198+99²分解因式怎么做?
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101²+101×198+99²分解因式怎么做?
101²+101×198+99²分解因式怎么做?
101²+101×198+99²分解因式怎么做?
101²+101×198+99²
=101²+2×101×99+99²
=(101+99)²
=200²
=40000
101²+101×198+99²
=101*101+2*101*99+99*99
=(101+99)^2
=200^2
=40000
101²+101×198+99²
=101²+2×101×99+99²
=(101+99)²
=200²
=40000