合并同类项
经典练习题1.单项式<Object: word/embeddings/oleObject1.bin>
与<Object: word/embeddings/oleObject2.bin>
是同类项
,求<Object: word/embeddings/oleObject3.bin>
的值2．x5－y3＋4x2y－4x＋5，其中x＝－1，y＝－2；3．x3－x＋1－x2，其中x＝－3；4.已知<Object: word/embeddings/oleObject4.bin>
和<Object: word/embeddings/oleObject5.bin>
是同类项
,求<Object: word/embeddings/oleObject6.bin>
的值5.若<Object: word/embeddings/oleObject7.bin>
与<Object: word/embeddings/oleObject8.bin>
的和为5<Object: word/embeddings/oleObject9.bin>
，则k=，n=6.．求5xy－8x2＋y2－1的值，其中x＝<Obj ...