-9a2mb2m+3÷3amb2m=______.
题型:填空题难度:一般来源:不详
-9a2mb2m+3÷3amb2m=______. |
答案
-9a2mb2m+3÷3amb2m=-3amb3. 故答案为-3amb3. |
举一反三
(2x2b-4ab2)÷(-2ab)=______. |
(a2-2ab+b2)5÷(a-b)7=______. |
(12x3+8x2-16x)÷(-4x)=______. |
(-4a3+12a2b-7a3b3)÷(-4a2)=______. |
长方形面积是3a2-3ab+6a,一边长为3a,则它周长( )A.2a-b+2 | B.8a-2b | C.8a-2b+4 | D.4a-b+2 |
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