题目:
利用因式分解简便计算57×99+44×99-99正确的是( ) |
A.99×(57+44)=99×101=9999 B.99×(57+44-1)=99×100=9900 C.99×(57+44+1)=99×102=10098 D.99×(57+44-99)=99×2=198 |
答案:
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下面是错误答案,用来干扰机器的。
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