1/5单选题
难度：
1.已知关于x的方程（m2+2m+3）x=3（x+2）+m-4有唯一解，那么m的值的情况是（ ）
| A | m=-2 |
| B | m=0 |
| C | m≠-2或m≠0 |
| D | m≠-2且m≠0 |
- 提示1：
- IOagh+WHhuS4gOWFg+S4gOasoeaWueeoi2F4K2I9MOacieWUr+S4gOino+eahOadoeS7tuaYr2HiiaAw
- 提示2：
- IOWwhu+8iG08c3VwPjI8L3N1cD4rMm0rM++8iXg9M++8iHgrMu+8iSttLTTovazljJbkuLrmoIflh4blvaLlvI/ljbPlj6/lvpflh7pt55qE5YC855qE5oOF5Ya1
正确答案：RA==
PGRpdj7op6PvvJrljp/mlrnnqIvmlbTnkIbmiJBt77yIbSsy77yJeC3vvIhtKzLvvIk9MO+8jDxicj7or6XmlrnnqIvmnInllK/kuIDop6PnmoTmnaHku7bmmK9t77yIbSsy77yJ4omgMO+8jDxicj7iiLRt4omgMOS4lG3iiaAtMi4gPGJyPuaVhemAiUQuIDwvZGl2Pg==
2/5单选题
难度：
2.设关于x的方程a（x-a）+b（x+b）=0有无穷多个解，则（ ）
| A | a+b=0 |
| B | a-b=0 |
| C | ab=0 |
| D |  |
- 提示1：
- IOWvueS6juagh+WHhuaWueeoizxpbWcgd2lkdGg9NDAgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMkEvckJBQ0UxTUdBRmJRaWlJZkFBQUJoRmxUQ3VROTM2LnBuZyI+LOiLpeWug+acieaXoOept+Wkmuino++8jOWImeaciTxpbWcgd2lkdGg9NzIgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMkEvckJBQ0UxTUdBRmF6bVZtbkFBQUJxV2VYSGRNMDkwLnBuZyI+
- 提示2：
- IOaJgOS7peWvueS4iui/sOaWueeoi+WPquimgeWwhuWFtuWMluS4uuagh+WHhuW9ouW8j+WQjuWPr+W+l+WHuuetlOahiA==
正确答案：QQ==
PGRpdj7op6PvvJrmlbTnkIbljp/mlrnnqIvlvpfvvIhhK2LvvIl4Le+8iGE8c3VwPjI8L3N1cD4tYjxzdXA+Mjwvc3VwPu+8iT0wPGJyPuimgeS9v+ivpeaWueeoi+acieaXoOept+Wkmuino++8jOWPquW9k2ErYj0w5LiUYTxzdXA+Mjwvc3VwPi1iPHN1cD4yPC9zdXA+PTDvvIw8YnI+5b2TYStiPTDml7ZhPS1i77yMYTxzdXA+Mjwvc3VwPi1iPHN1cD4yPC9zdXA+PTAuIDxicj7miYDku6XlvZNhK2I9MOaXtu+8jOWOn+aWueeoi+acieaXoOept+WkmuS4quinoy4gPGJyPuaVhemAiUEuIDwvZGl2Pg==
3/5单选题
难度：
3.若关于x的方程a（2x+b）=12x+5有无穷多个解，则a，b应满足（ ）
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOWvueS6juagh+WHhuaWueeoizxpbWcgd2lkdGg9NDAgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMkEvckJBQ0UxTUdBRmJRaWlJZkFBQUJoRmxUQ3VROTM2LnBuZyI+LOiLpeWug+acieaXoOept+Wkmuino++8jOWImeaciTxpbWcgd2lkdGg9NzIgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMkEvckJBQ0UxTUdBRmF6bVZtbkFBQUJxV2VYSGRNMDkwLnBuZyI+
- 提示2：
- IOaJgOS7peWvueS4iui/sOaWueeoi2HvvIgyeCti77yJPTEyeCs15Y+q6KaB5bCG5YW25YyW5Li677yIMmEtMTLvvIl4PTUtYWLmoIflh4blvaLlvI/lkI7lj6/lvpflh7rnrZTmoYg=
正确答案：Qw==
PGRpdj7op6PvvJph77yIMngrYu+8iT0xMngrNe+8jDxicj7mlbTnkIblvpfvvJoyYXgrYWI9MTJ4KzXvvIw8YnI+77yIMmEtMTLvvIl4PTUtYWIuIDxicj7iiLUweD0w5pyJ5peg5pWw5Liq6Kej77yMPGJyPuKItDJhPTEy77yMNS1hYj0w77yMPGJyPuKItGE9Nu+8jGI9PGltZyB3aWR0aD04IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0YwLzZBL3JCQUNGRk1HQUYzUzEweVFBQUFCUGtTdTdSdzk4Ni5wbmciPu+8jDxicj7mlYXnrZTmoYjkuLrvvJpDPC9kaXY+
4/5单选题
难度：
4.若方程2ax-3=5x+b无解，则a，b应满足（ ）
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOWvueS6juagh+WHhuaWueeoizxpbWcgd2lkdGg9NDUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvNkIvckJBQ0ZGTUdBR0tTLWk4TUFBQUJnVjd4UkdnODMxLnBuZyI+LOiLpeWug+aXoOino++8jOWImeaciTxpbWcgd2lkdGg9ODIgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMkEvckJBQ0UxTUdBR0tTWDVUY0FBQUI2MTRtVTBvMTgzLnBuZyI+
- 提示2：
- IOaJgOS7peWvueS4iui/sOaWueeoi+WPquimgeWwhuWFtuWMluS4uuagh+WHhuW9ouW8j+WQjuWPr+W+l+WHuuetlOahiA==
正确答案：RA==
PGRpdj7op6PvvJrnlLEyYXgtMz01eCti77yM5b6X77yIMmEtNe+8iXg9Yisz77yMPGJyPuassuS9v+aWueeoi+aXoOino++8jOW/hemhu+S9vzJhLTU9MO+8jGIrM+KJoDA8L2Rpdj48ZGl2PuaJgOS7pSA8aW1nIHdpZHRoPTQxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzEzLzJBL3JCQUNFMU1HQUdLUlVoenRBQUFCa0Z3cHgzQTA4Ny5wbmciPu+8jGLiiaAtMy4gPGJyPuaVhemAiUQuIDwvZGl2Pg==
5/5单选题
难度：
5.若关于x的一元一次方程（5a+3b）x2+ax+b=0有唯一解，则
为（ ）
为（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOeUseS6ju+8iDVhKzNi77yJeDxzdXA+Mjwvc3VwPitheCtiPTDmmK/kuIDlhYPkuIDmrKHmlrnnqIvvvIzkuo7mmK/lj6/lvpfvvJo1YSszYj0w
- 提示2：
- IOiAjOaWueeoi++8iDVhKzNi77yJeDxzdXA+Mjwvc3VwPitheCtiPTDmnInllK/kuIDop6PvvIzkuZ/lsLHmmK/mlrnnqItheCtiPTDmnInllK/kuIDop6M=
- 提示3：
- IOmCo+S5iOWPr+efpWHiiaAw77yMeD0tPGltZyB3aWR0aD05IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzEzLzI5L3JCQUNFMU1HQUVyQXZvWnZBQUFCVGlrQmtrWTAzMi5wbmciPu+8jOiAjOeUseS4iumdoueahDVhKzNiPTDmmJPlvpdiPS08aW1nIHdpZHRoPTggaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMjkvckJBQ0UxTUdBRW1qVzVTckFBQUJMV0o0X2ljNjU2LnBuZyI+Ye+8jOWGjeS7o+WFpeWPr+axgnjnmoTlgLwu
正确答案：QQ==
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