本课配套习题挑战模式1/5
单选题
难度系数:
1.把多项式分解因式,结果正确的是()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOatpOmimOavlOi+g+WfuuehgO+8jOaPkOWPluWFrOWboOW8j+WNs+WPr+OAgg==
- 答案:QQ==
PGRpdj7liIbop6Plm6DlvI/mjInigJzkuIDmj5DkuozlpZfigJ3ljp/liJk65pyJ5YWs5Zug5byP55qE5YWI5o+Q5Y+W5YWs5Zug5byPLOWGjeWll+eUqOW5s+aWueW3ruWFrOW8j+aIluWujOWFqOW5s+aWueWFrOW8j++8jOacrOmimOWPr+ebtOaOpeaPkOWFrOWboOW8jy4gPC9kaXY+PGRpdj7op6PvvJrljp/lvI/vvJ1hLmEtNC5hKOaPkOWPluWFrOWboOW8j2EpPC9kaXY+PGRpdj7vvJ1hKGEtNCk8L2Rpdj4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.
分解因式:mn2+6mn+9m=()
A: m(n-3)2 |
B: m(n+3) |
C: 3m(n+3)2 |
D: m(n+3)2 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+55yL5riF5byP5a2Q5YaF6YOo6IGU57O777yM5o+Q5Y+W5YWs5Zug5byP44CCPC9wPg==
- 提示2:PHA+54af5oKJ5a6M5YWo5bmz5pa555+l6K+G54K5PC9wPg==
- 提示3: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
- 答案:RA==
PGRpdj7ljp/lvI89bShuPHN1cD4yPC9zdXA+KzZuKzkpPC9kaXY+PGRpdj49bShuKzMpPHN1cD4yPC9zdXA+PC9kaXY+
本课配套习题挑战模式3/5
单选题
难度系数:
3.若a=2,a+b=3,则a2+ab=( )
A: 2 |
B: 3 |
C: 6 |
D: 12 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWIqeeUqOWFrOWboOW8j+WIhuinow==
- 提示2:IOWwhumimOS4reaJgOe7meaVsOWAvOS7o+WFpQ==
- 答案:Qw==
PGRpdj7op6PvvJriiLVhPTLvvIxhK2I9M++8jDwvZGl2PjxkaXY+4oi0YTxzdXA+Mjwvc3VwPithYj1h77yIYSti77yJPTLDlzM9Ni4gPC9kaXY+PGRpdj7mlYXnrZTmoYjkuLrvvJo2LiA8L2Rpdj4=
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:IOWboOW8j+WIhuino+WFiOaPkOWPluWFrOWboOW8jw==
- 提示2:IOWQjuWIqeeUqOWFrOW8j+azleaIluWNgeWtl+ebuOS5mOazlQ==
- 提示3:IOeGn+aCieWNgeWtl+ebuOS5mOazleWFrOW8jw==
- 答案:Qg==
PGRpdj7op6PvvJrljp/lvI/vvJ08aW1nIHdpZHRoPTEwMCBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMS8yMy9yQkFDRkZNTWp2cWpZaW9qQUFBQ3JTTkN6UnM4ODgucG5nIj48L2Rpdj48ZGl2Pu+8nTxpbWcgd2lkdGg9OTYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMDEvMjMvckJBQ0ZGTU1qdlhDNDhOcUFBQUNxQW5WaldvNTM1LnBuZyI+PC9kaXY+
本课配套习题挑战模式5/5
单选题
难度系数:
5.分解因式的正确结果是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWFiOaPkOWPluWFrOWboOW8jzxpbWcgd2lkdGg9MjkgaGVpZ2h0PTIyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvMTMvckJBQ0UxTU1qeE96ZHUtakFBQUJualVKOFhBODg4LnBuZyI+
- 提示2:IOWIqeeUqOWFrOW8j+azlQ==
- 提示3:IOWIqeeUqOWujOWFqOW5s+aWuQ==
- 答案:RA==
PGRpdj7op6PvvJo8aW1nIHdpZHRoPTEyMCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMS8yNC9yQkFDRkZNTWp3X0RrY0V3QUFBQzZXSmRMXzQ0MTkucG5nIj48L2Rpdj48ZGl2PiDvvJ08aW1nIHdpZHRoPTExMSBoZWlnaHQ9MjQgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yNC8xMy9yQkFDRTFNTWp4RHh6dmZUQUFBQzZUQWpZcjgxOTgucG5nIj48L2Rpdj48ZGl2PiDvvJ08aW1nIHdpZHRoPTc2IGhlaWdodD0yNCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzI0LzEzL3JCQUNFMU1NanhQeDlibmpBQUFDZEZES2NRRTEzNS5wbmciPjwvZGl2Pg==