计算1⼀x-1+1⼀(x-1)(x-2)+1⼀(x-2)(x-3)

有步骤最好
2024-12-17 15:26:03
推荐回答(2个)
回答1:

解:1/﹙x-1﹚+1/﹙x-1﹚﹙x-2﹚+1/﹙x-2﹚﹙x-3﹚
=1/﹙x-1﹚+1/﹙x-2﹚-1/﹙x-1﹚+1/﹙x-3﹚-1/﹙x-2﹚
=1/﹙x-3﹚

回答2:

1/(x-3)