计算(8a2b3-2a3b2+ab)÷(ab)的结果是( )A.8ab2-2a2b+1B.8ab2-2a2bC.8a2b2-2a2b+1D.8a2b-2a2b
题型:单选题难度:一般来源:不详
计算(8a2b3-2a3b2+ab)÷(ab)的结果是( )A.8ab2-2a2b+1 | B.8ab2-2a2b | C.8a2b2-2a2b+1 | D.8a2b-2a2b+1 |
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答案
(8a2b3-2a3b2+ab)÷(ab), =8ab2-2a2b+1. 故选A. |
举一反三
(3xy)2•(-x6y5z)÷(-x5y6)=( )A.9x3yz | B.27x2yz | C.27x3yz | D.27x3z |
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计算2a3mbn÷(-4a2mb)等于( )A.-2ambn-1 | B.-ambn-1 | C.-2ambn | D.-ambn |
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6a5b3c÷( )=3a5b,括号中应填入的是( )A.-ab2c | B.ab2c | C.2b2c | D.2ab2c |
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计算: (1)(n3-7mn2+n5)÷n2=______; (2)(12x4y6-8x2y4-16x3y5)÷4x2y3=______. |
(9x3y4-6x4y3+3x2y3)÷______=-3x2y2+2x3y-xy. |
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