9-a^2/a^2+6a+9÷a^3-3a/a+3+1/a..算算吧
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 12:46:29
![9-a^2/a^2+6a+9÷a^3-3a/a+3+1/a..算算吧](/uploads/image/z/8665386-42-6.jpg?t=9-a%5E2%2Fa%5E2%2B6a%2B9%C3%B7a%5E3-3a%2Fa%2B3%2B1%2Fa..%E7%AE%97%E7%AE%97%E5%90%A7)
9-a^2/a^2+6a+9÷a^3-3a/a+3+1/a..算算吧
9-a^2/a^2+6a+9÷a^3-3a/a+3+1/a
..算算吧
9-a^2/a^2+6a+9÷a^3-3a/a+3+1/a..算算吧
原式=-(a+3)(a-3)/(a+3)²÷[a(a-3)/(a+3)]+1/a
=-(a-3)/(a+3)×[(a+3)/a(a-3)]+1/a
=-1/a+1/a
=0
原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a原始=8+6a+9÷a^3+1/a