试题:
3ax2•(______)=3a2x3-6ax2+9a3x4
单项式 2016-05-17

答案:

我来补答
(3a2x3-6ax2+9a3x4)÷3ax2
=3a2x3÷3ax2-6ax2÷3ax2+9a3x4÷3ax2
=ax-2+3a2x2
故答案为:ax-2+3a2x2
 
 
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