本课配套习题挑战模式1/5
单选题
难度系数:
1.若使分式有意义,则x应满足()
A: x=0 |
B: x≠0 |
C: x=1 |
D: x≠1 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWIhuW8j+acieaEj+S5ieeahOadoeS7tg==
- 提示2:IDxpbWcgd2lkdGg9NTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNTkvckJBQ0UxTU1XVm56ZnRhVUFBQUJtRHBPRDY0MTU4LnBuZyI+
- 提示3:IDxpbWcgd2lkdGg9MzMgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNkEvckJBQ0ZGTU1XVm1BV1FqWkFBQUJhQjhfM1F3NDYxLnBuZyI+
- 答案:RA==
PGRpdj7op6PvvJrmoLnmja7popjmhI/lvpfvvJp4LTHiiaAw77yM6Kej5b6X77yaeOKJoDEuIDxicj7mlYXpgIlELiA8L2Rpdj4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.同时使分式有意义,又使分式无意义的x的取值范围是()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOesrOS4gOS4quWIhuW8j+acieaEj+S5ie+8jOWNs+esrOS4gOS4quWIhuW8j+eahOWIhuavjeS4jeS4ujA=
- 提示2:IOesrOS6jOS4quWIhuW8j+aXoOaEj+S5ie+8jOWNs+esrOS6jOS4quWIhuW8j+eahOWIhuavjeS4ujA=
- 提示3:IOe7vOWQiOS4iuS4pOS4quadoeS7tu+8jOWNs+WPr+axguW+l3jnmoTlj5blgLzojIPlm7Q=
- 答案:RA==
PGRpdj7op6PvvJrnlLHpopjmhI/lvpfvvJp4PHN1cD4yPC9zdXA+KzZ4KzjiiaAw77yM5LiU77yIeCsx77yJPHN1cD4yPC9zdXA+LTk9MO+8jDxicj7lj6/op6PlvpfvvIh4KzLvvInvvIh4KzTvvIniiaAw77yMeOKJoC0y5LiUeOKJoC00PC9kaXY+PGRpdj7kuJTmnIl4KzE9M+aIli0z77yM5Y2zeD0y5oiWeD0tNO+8jDxicj7iiLTmu6HotrPkuIrov7DkuKTkuKrmnaHku7bnmoTkuLp4PTLvvIzmlYXpgIlELiA8L2Rpdj4=
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列关于分式的各种说法中,错误的是()
A: 当时,分式没有意义 |
B: 当时,分式的值为负数 |
C: 当时,分式的值为正数 |
D: 当时,分式的值为0 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWIhuW8j+acieaEj+S5ie+8jOWIhuavjeKJoCAw
- 提示2:IOWIhuW8j+WAvOS4uui0n++8jOWIhuWtkO+8jOWIhuavjeW8guWPtw==
- 提示3:IOWIhuW8j+WAvOS4ujDvvIzliIblrZA9MO+8jOWIhuavjeKJoCAw
- 答案:Qg==
PGRpdj7op6PvvJpB44CB5b2TeD0w5pe277yM5YiG5q+N5Li6MO+8jOWIhuW8j+ayoeacieaEj+S5ie+8m+ato+ehru+8jOS9huS4jeespuWQiOmimOaEjy4gPGJyPkLjgIHlvZMtMu+8nHjvvJww5pe277yM5YiG5byP55qE5YC85Li66LSf5pWw77yb5Y6f6K+05rOV6ZSZ6K+v77yM56ym5ZCI6aKY5oSPLiA8YnI+Q+OAgeW9k3jvvJwtMuaXtu+8jOWIhuW8j+eahOWAvOS4uuato+aVsO+8m+ato+ehru+8jOS9huS4jeespuWQiOmimOaEjy4gPGJyPkTjgIHlvZN4PS0y5pe277yM5YiG5byP55qE5YC85Li6MO+8m+ato+ehru+8jOS9huS4jeespuWQiOmimOaEjy4gPGJyPuaVhemAiUIuIDwvZGl2Pg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.如果是一个正整数,则x的最大的整数值为( )
A: 8 |
B: 13 |
C: 16 |
D: 18 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrumimOaEj+W+l+WHuuWFs+S6jnjnmoTmlrnnqIs=
- 提示2:IOWIhuexu+iuqOiuug==
- 提示3:IOazqOaEj++8muS4jeimgea8j+inow==
- 答案:RA==
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本课配套习题挑战模式5/5
单选题
难度系数:
5.若分式不论x取何值总有意义,则m的取值范围是()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOaxguWHuuW9k3jkuLrku4DkuYjlgLzml7bvvIzliIbmr43kuI3nrYnkuo4w
- 提示2:IOmHh+eUqOmFjeaWueazleaVtOeQhuaIkO+8iGErYu+8iTxzdXA+Mjwvc3VwPitr77yIa++8njDvvInnmoTlvaLlvI86PGltZyB3aWR0aD0zODEgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNUEvckJBQ0UxTU1XV1NDY3YyYkFBQUQ0eGVkZVg0MDg2LnBuZyI+
- 提示3:IDxpbWcgd2lkdGg9NjIgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMjMvNUEvckJBQ0UxTU1XV1NRNnNEbkFBQUJ2UnZ5VWpNMzE4LnBuZyI+
- 答案:Qg==
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