(x2y5-5x)÷(-x)的值是( )A.-xy5-5B.xy5+5C.xy5-5D.-xy5+5
题型:单选题难度:简单来源:不详
(x2y5-5x)÷(-x)的值是( )A.-xy5-5 | B.xy5+5 | C.xy5-5 | D.-xy5+5 |
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答案
(x2y5-5x)÷(-x)=-xy5+5. 故选D. |
举一反三
计算:(4a3-6a2+9a)÷(-2a)的结果是______. |
计算:12x2y3z÷(-3xy2)=______. |
计算:(x2-2x+1-y2)÷(x+y-1)=______. |
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