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整式的乘法练习
2023-09-24 | 阅:  转:  |  分享 
  
整式的乘法练习1计算 ⑴ 3a(6a-3b)⑵ (x-4y)(-7x)⑶ (-5x2)(4x+2)⑷ (3x+2)(2x+3)⑸ (m+3n
)(4n-2m)⑹ (a+4b)(a-4b)⑺ (b-1)2⑻ (y+5)(y-3)
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