(4a2-b2)÷(b-2a)=______.
题型:填空题难度:一般来源:不详
(4a2-b2)÷(b-2a)=______. |
答案
(4a2-b2)÷(b-2a), =[(2a-b)(2a+b)]÷(b-2a), =-2a-b, 故填空答案:-2a-b. |
举一反三
(12a2m+1bm+3-20am+1b2m+4+4am+1bm+2)÷4ambm+1=______. |
已知4a3bm÷36anb2=b2,则m、n的值为( )A.m=4,n=3 | B.m=4,n=1 | C.m=1,n=3 | D.m=2,n=3 |
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计算:(8x5-6x3-4x2)÷(-2x)=( )A.-4x4-3x2+2x | B.-4x4+3x2+2x | C.4x4+3x2-2x | D.4x4-3x2-2x |
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计算:(a2b-ab2)÷(ab)=______. |
(x4y+6x3y2-x2y3)÷(3x2y)=______. |
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