3ax2•(______)=3a2x3-6ax2+9a3x4.
题型:填空题难度:一般来源:不详
3ax2•(______)=3a2x3-6ax2+9a3x4. |
答案
(3a2x3-6ax2+9a3x4)÷3ax2 =3a2x3÷3ax2-6ax2÷3ax2+9a3x4÷3ax2 =ax-2+3a2x2. 故答案为:ax-2+3a2x2. |
举一反三
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