计算:a²+9-6a分支2a²-4a-6/(4a+8)×4+3a-a²分支6+a-a²
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 20:33:14
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计算:a²+9-6a分支2a²-4a-6/(4a+8)×4+3a-a²分支6+a-a²
计算:a²+9-6a分支2a²-4a-6/(4a+8)×4+3a-a²分支6+a-a²
计算:a²+9-6a分支2a²-4a-6/(4a+8)×4+3a-a²分支6+a-a²
很高兴收到您的求助:
原式=2*(a-3)*(a+1)/(a-3)*(a-3)×1/4*(a+2)×(a-4)*(a+1)/(a-3)*(a+2)
=1/2*(a-4)
=2a-8分之1