中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.
分解因式：x3−9x+8 =（ ）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+MS4g5pys6aKY5pa55rOV6L6D5aSa5ouG6aG577yb5re76aG55Z2H5Y+v44CCPC9wPg==
- 答案：QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.分解因式
=（）
=（） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOacrOmimOino+azlei+g+WkmuaLhumhueaAnei3r+ato+ehruWNs+WPr+OAgg==
- 提示2：IOWwhjc8aW1nIHdpZHRoPTIwIGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGZpRDVsd3hBQUFCVTFrNWZvQTIzMC5wbmciPuaLhuaIkDY8aW1nIHdpZHRoPTIwIGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGZpRDVsd3hBQUFCVTFrNWZvQTIzMC5wbmciPis8aW1nIHdpZHRoPTIwIGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGZpRDVsd3hBQUFCVTFrNWZvQTIzMC5wbmciPg==
- 提示3：IOWIqeeUqOW5s+aWueW3ruWFrOW8jzvljYHlrZfnm7jkuZjms5U=
- 答案：Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.
分解因式
（ ）
| A:
|
| B:
|
| C:
|
| D:
|
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5q2k6aKY5Li65re76aG55rOV5re75YqgPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGZpRDVsd3hBQUFCVTFrNWZvQTIzMC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvRkMvckJBQ0UxTU5kZmlENWx3eEFBQUJVMWs1Zm9BMjMwLnBuZyIgaGVpZ2h0PSIyMiIgd2lkdGg9IjIwIj48L3A+
- 提示2：PHA+5Zug5Li65pyJPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGYzUkhzOElBQUFCVUNBZUtCTTg2OS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvRkMvckJBQ0UxTU5kZjNSSHM4SUFBQUJVQ0FlS0JNODY5LnBuZyIgaGVpZ2h0PSIyMiIgd2lkdGg9IjIwIj7miYDku6XlsL3ph4/mnoTpgKDnq4vmlrnlt648L3A+
- 提示3：PHA+56uL5pa55beu5YWs5byPPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzAyLzBEL3JCQUNGRk1OZGYzd2lvdVZBQUFEQzI3ZlRPUTk1NS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDIvMEQvckJBQ0ZGTU5kZjN3aW91VkFBQURDMjdmVE9ROTU1LnBuZyIgaGVpZ2h0PSIyNSIgd2lkdGg9IjE2OSI+PC9wPg==
- 答案：RA==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.分解因式
=( )
=( ) A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOatpOmimOS4uuaLhumhuemimCzmi4Y8aW1nIHdpZHRoPTQxIGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGdHZ0VhZHZBQUFCOUdRb0lTODIwMy5wbmciPg==
- 提示2：IOaehOmAoOWujOWFqOW5s+aWue+8jOWboOS4uuacieWbm+asoeaWueaJgOS7peimgeazqOaEj+Wll+eUqOWujOWFqOW5s+aWueeahOW9ouW8jw==
- 提示3：IDxpbWcgd2lkdGg9MTY4IGhlaWdodD0yNSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzAyLzBEL3JCQUNGRk1OZGdHeU5NMEFBQUFEU3pPQWxJbzc3My5wbmciPg==
- 答案：Qg==
PGRpdj7op6PvvJrljp/lvI/vvJ08aW1nIHdpZHRoPTI1MCBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yNC9GQy9yQkFDRTFNTmRnSHpBYVRNQUFBRU5HV3loMjQzMzkucG5nIj48L2Rpdj48ZGl2PiDvvJ08aW1nIHdpZHRoPTE5MiBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMi8wRC9yQkFDRkZNTmRnSFNzdzloQUFBRG9BVkxwNEUxNTAucG5nIj48L2Rpdj48ZGl2PiDvvJ08aW1nIHdpZHRoPTk2IGhlaWdodD0yNSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzI0L0ZDL3JCQUNFMU1OZGdDREN5QkpBQUFDaTFwRHNwVTI2NS5wbmciPjwvZGl2Pg==
本课配套习题挑战模式5/5
单选题
难度系数：
5.
分解因式：x4+4=（）.
| A: （x2+2x+2）（x2-2x+2） |
| B: （x2-2x+2）（x2-2x+2） |
| C: （x2+2x+2）（x2-2x-2） |
| D: （x2+2x-2）（x2-2x+2） |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+6aaW5YWI5re76aG577yM5Yip55So5a6M5YWo5bmz5pa55YWs5byP5Lul5Y+K5bmz5pa55beu5YWs5byP5YiG6Kej5Zug5byP5b6X5Ye65Y2z5Y+vPC9wPg==
- 答案：QQ==
PGRpdj7op6PvvJrljp/lvI89eDxzdXA+NDwvc3VwPis0KzR4PHN1cD4yPC9zdXA+LTR4PHN1cD4yPC9zdXA+PGJyPj14PHN1cD40PC9zdXA+KzR4PHN1cD4yPC9zdXA+KzQtNHg8c3VwPjI8L3N1cD48YnI+Pe+8iHg8c3VwPjI8L3N1cD4rMu+8iTxzdXA+Mjwvc3VwPi00eDxzdXA+Mjwvc3VwPjxicj4977yIeDxzdXA+Mjwvc3VwPisyeCsy77yJ77yIeDxzdXA+Mjwvc3VwPi0yeCsy77yJLjwvZGl2Pg==
