发布网友 发布时间:2024-10-24 09:54
共1个回答
热心网友 时间:2024-11-14 14:04
解:原式=[(x-1)(x+2)-(x+1)(x-1)]/(x+1)(x+2)x(x+2)^2/(x+3)热心网友 时间:2024-11-14 14:04
解:原式=[(x-1)(x+2)-(x+1)(x-1)]/(x+1)(x+2)x(x+2)^2/(x+3)热心网友 时间:2024-11-14 14:04
解:原式=[(x-1)(x+2)-(x+1)(x-1)]/(x+1)(x+2)x(x+2)^2/(x+3)