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1、(-2a)(1/4a³;-1)2、(-1-2a)(2a-1)-13、298平方-297乘2994、已知(a-b)平方=4,ab=1/2,則(a+b)平方=5、已知(m+2n+2)(m+2n-2)=12,則(m+2n)平方=《第1章整式的運算》2012年單元測試卷(二):《第1…
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