1/5单选题
难度：
1.已知
的值与字母
的取值无关，则
的值为（ ）
的值与字母的取值无关，则的值为（ ） | A | 1 |
| B | 0 |
| C | -1 |
| D | -2 |
正确答案：Qw==
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
的值与
的值为（ ） 
的值。小明说：本题中
是多余的条件，小强马上反对说：这多项式中每一项都含有a和b，不给出a，b的值怎么能求出多项式的值呢？你同意哪名同学的观点？（ ） 
，
则
的值为（ ） 
的值不变。（ ）