本课配套习题挑战模式1/5
单选题
难度系数:
1.方程2x+1=x的解也是关于x的方程2x-kx+1=0的解,则k的值为( )
A: 3 |
B: -3 |
C: 1 |
D: -1 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOino+avj+S4gOS4quaWueeoiw==
- 提示2:IOiuqeaWueeoi+eahOino+ebuOetie+8jOW7uueri+aWsOeahOaWueeoiw==
- 提示3:IOino+aWsOeahOaWueeoiw==
- 答案:Qw==
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本课配套习题挑战模式2/5
单选题
难度系数:
2.关于x的方程x+a=2x-3与2x-b=x有相同的解,则a、b的关系为( )
A: a-b=3 |
B: b-a=3 |
C: b+a=3 |
D: b+a+3=0 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOaxguWHuuS4pOS4quaWueeoi+eahOino++8jA==
- 提示2:IOagueaNruW3suefpeS4pOS4quino+ebuOetie+8jOW+l+WHuuaWsOeahOaWueeoi+OAgg==
- 答案:Qg==
6Kej77yaeCthPTJ4LTPvvIw8YnI+eC0yeD0tMy1h77yMPGJyPi14PS0zLWHvvIw8YnI+5YiZeD0zK2HvvIw8YnI+MngtYj1477yMPGJyPng9Yu+8jDxicj7iiLXlhbPkuo5455qE5pa556iLeCthPTJ4LTPkuI4yeC1iPXjmnInnm7jlkIznmoTop6PvvIw8YnI+4oi0MythPWLvvIw8YnI+4oi0Yi1hPTPvvIw8YnI+5pWF6YCJQi4g
本课配套习题挑战模式3/5
单选题
难度系数:
3.已知关于x的方程5x+3k=24与方程5x+3=0的解相同,则k的值是( )
A: 7 |
B: -8 |
C: -10 |
D: 9 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWPr+S7peWIhuWIq+ino+WHuuS4pOaWueeoi+eahOino++8jO+8jA==
- 提示2:IOagueaNruW3suefpeS4pOS4quino+ebuOetie+8jOWwseW+l+WIsOWFs+S6jm3nmoTmlrnnqIs=
- 提示3:IOino+aWsOeahOaWueeoi+axgm0=
- 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.已知关于x的方程2x=-4和x=1-k的解相同,则k2-k的值是( )
A: 6 |
B: 0 |
C: -6 |
D: -13 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWPr+S7peWIhuWIq+ino+WHuuS4pOaWueeoi+eahOino++8jO+8jA==
- 提示2:IOagueaNruW3suefpeS4pOS4quino+ebuOetie+8jOWwseW+l+WIsOWFs+S6jmvnmoTmlrnnqIs=
- 提示3:IOino+aWsOeahOaWueeoi+axgmvvvIzku6PlhaXmsYLlgLw=
- 答案:QQ==
6Kej77ya6Kej5pa556iLMng9LTTlvpfvvIx4PS0y77yMPGJyPuWboOS4ung9MS1rPGJyPuaJgOS7peW+l++8mi0yPTEta++8jDxicj7op6PlvpfvvJprPTM8YnI+5bCGaz0z5Luj5YWlazxzdXA+Mjwvc3VwPi1rPTM8c3VwPjI8L3N1cD4tMz02LiA8YnI+5pWF6YCJQS4g
本课配套习题挑战模式5/5
单选题
难度系数:
5.若关于x的方程与的解相同,则a的值是()
A: 2 |
B: -2 |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:6Kej56ys5LiA5Liq5pa556iL5b6XeD1h77yM
- 提示2:5bCGeD1h77yM5Luj5YWl56ys5LqM5Liq5pa556iL5b6X5Yiw5paw55qE5pa556iL
- 提示3:IOino+aWsOeahOaWueeoi+axgmE=
- 答案:Qg==
6Kej77ya55SxPGltZyB3aWR0aD03MSBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9FRS9EQi9yQkFDRTFOUE05cWg5OF9QQUFBQ0hsVjdoZTA1NzIucG5nIj7lvpd4PWEsPGJyPuWboOS4uuS4pOS4quaWueeoi+eahOino+ebuOWQjO+8jDxicj7miYDku6U8aW1nIHdpZHRoPTEwMCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9FRS9EQi9yQkFDRTFOUE05ckJLYk80QUFBQ2JTSE1rSzg5ODYucG5nIj48YnI+6Kej5b6XYT0tMjxicj7miYDku6XpgIlC