1/5单选题
难度：
1.
关于x的方程ax-2=0有正整数解，则整数a的值是（ ）
| A | 2 |
| B | 1或-2 |
| C | 1 |
| D | 1或2 |
- 提示1：
- 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
- 提示2：
- PHA+YeS4ujLnmoTmraPnmoTlm6DmlbA8YnI+PC9wPg==
正确答案：RA==
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
2/5单选题
难度：
2.
已知方程2x+k=5的解为正整数，则k所能取的正整数值为（ ）
| A | 1 |
| B | 1或3 |
| C | 3 |
| D | 2或3 |
- 提示1：
- 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
- 提示2：
- PHA+5qC55o2u5bey55+l5pa556iL55qE6Kej5piv5q2j5pW05pWw5b6X5Ye6NS1rPTLmiJY1LWs9NDwvcD4=
- 提示3：
- PHA+5rGC5Ye65Lul5LiK5Lik5Liq5pa556iL55qE6Kej5Y2z5Y+vPC9wPg==
正确答案：Qg==
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
3/5单选题
难度：
3.若k为整数，则使关于x的一元一次方程（k-2009）x=2012-2010x的解也是整数的k的值有（ ）
| A | 8 |
| B | 10 |
| C | 12 |
| D | 14 |
- 提示1：
- IOaKimvnnIvkvZzluLjmlbA=
- 提示2：
- IOWIqeeUqOS4gOWFg+S4gOasoeaWueeoi+eahOino+azleino+WHunjnmoTooajovr7lvI8=
- 提示3：
- IOagueaNrnjkuI5r6YO95piv5pW05pWw6L+b6KGM6K6o6K665rGC6Kej
正确答案：Qw==
PGRpdj7op6PvvJrvvIhrLTIwMDnvvIl4PTIwMTItMjAxMHjvvIw8YnI+5Y675ous5Y+35b6X77yMa3gtMjAwOXg9MjAxMi0yMDEweO+8jDxicj7np7vpobnlvpfvvIzvvIhrKzHvvIl4PTIwMTLvvIw8YnI+4oi1a+S4uuaVtOaVsO+8jOaWueeoi+eahOino+S5n+S4uuaVtOaVsO+8jDxicj7ogIwyMDEyPTI8c3VwPjI8L3N1cD7DlzUwM++8jDxicj7iiLRrKzE9wrEx77yMwrEy77yMwrE077yMwrE1MDPvvIzCsTEwMDbvvIzCsTIwMTLvvIw8YnI+4oi0a+eahOWAvOWFseaciTEy5LiqLiA8YnI+6YCJQy4gPC9kaXY+
4/5单选题
难度：
4.
若关于x的方程ax=6+x的解是整数，则满足这个方程的a的值有几个（ ）
| A | 5个 |
| B | 6个 |
| C | 7个 |
| D | 8个 |
- 提示1：
- 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
- 提示2：
- PHA+5b2TYS0x55qE5YC85pivwrEx77yMwrEy77yMwrEz77yMwrE25pe277yM5pa556iL55qE6Kej5piv5pW05pWwPGJyPjwvcD4=
正确答案：RA==
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
5/5单选题
难度：
5.下列方程中，与
的解相同的方程是( )
的解相同的方程是( ) | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOWFiOinozxpbWcgd2lkdGg9OTcgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjAvNzQvckJBQ0ZGTUdBdjNpUVpFTEFBQUNRMHVhLUhvMTc1LnBuZyI+
- 提示2：
- IOaKinjnmoTlgLzku6PlhaXmlrnnqIvvvIzlt6bovrk95Y+z6L6555qE6YCJ6aG55Y2z5Li65omA5rGC
正确答案：Qg==
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