当a=2.2,b=-7.8时,求a+3b/a²-b²·a²+2ab+b²/(a+3b)(a-b)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 14:01:01
当a=2.2,b=-7.8时,求a+3b/a²-b²·a²+2ab+b²/(a+3b)(a-b)当a=2.2,b=-7.8时,求a+3b/a²-b&#

当a=2.2,b=-7.8时,求a+3b/a²-b²·a²+2ab+b²/(a+3b)(a-b)
当a=2.2,b=-7.8时,求a+3b/a²-b²·a²+2ab+b²/(a+3b)(a-b)

当a=2.2,b=-7.8时,求a+3b/a²-b²·a²+2ab+b²/(a+3b)(a-b)