已知="3," ="9," 则=    , =     .

已知="3," ="9," 则=    , =     .

题型:填空题难度:简单来源:不详
已知="3," ="9," 则=     =     .
答案
27,
解析
==
举一反三
因式分解:
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已知:,则a2b+ab2 =       ,a2+b2 =       .
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是完全平方式,则=______
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下列计算正确的是                            (    ) 
A.B.C.D.

题型:单选题难度:简单| 查看答案
的乘积中不含项,则a的值是__________
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