二元一次方程单元测试卷
试卷满分:150分 考试时间:120分钟
学校:姓名:班级:得分:选择题(每小题3分,共30分)
1.下列方程组中,是二元一次方程组的是( ).
A.<Object: word/embeddings/oleObject1.bin>
B.<Object: word/embeddings/oleObject2.bin>
C.<Object: word/embeddings/oleObject3.bin>
D.<Object: word/embeddings/oleObject4.bin>
2.已知<Object: word/embeddings/oleObject5.bin>
与<Object: word/embeddings/oleObject6.bin>
的和是单项式,则
<Object: word/embeddings/oleObject7.bin>
,<Object: word/embeddings/oleObject8.bin>
的值分别是( ).
A.<Object: word/embeddings/oleObject9.bin>
,<Object: w ...


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