本课配套习题挑战模式1/5
单选题
难度系数:
1.方程|1-2x|=3的解是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOe7neWvueWAvOetieS6jjPnmoTmlbDmmK8z5ZKMLTM=
- 提示2:IOW9k3g8aW1nIHdpZHRoPTMxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0YwLzU3L3JCQUNGRk1GLThlQzd6TkhBQUFCVkdYangyUTM3NS5wbmciPuaXtu+8jOaWueeoi+S4ujEtMng9M++8m+W9k3g8aW1nIHdpZHRoPTMxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzEzLzE2L3JCQUNFMU1GLThmQUNDakpBQUFCWUV3amthWTgxMC5wbmciPuaXtu+8jOaWueeoi+S4ui3vvIgxLTJ477yJPTM=
- 提示3:IOWIhuaDheWGteaxguWHuuino+WNs+WPrw==
- 答案:RA==
PGRpdj7op6PvvJrlvZMxLTJ44omlMOWNs3jiiaQ8aW1nIHdpZHRoPTEyIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzEzLzE2L3JCQUNFMU1GLThmd1N3UVRBQUFCRVV1WFYyYzM1NS5wbmciPuaXtu+8jOaWueeoi+S4ujEtMng9M++8jDxicj7op6PlvpfvvJp4PS0x77yMPGJyPuW9kzEtMnjvvJww5Y2zeO+8njxpbWcgd2lkdGg9MTIgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMTYvckJBQ0UxTUYtOGZ3U3dRVEFBQUJFVXVYVjJjMzU1LnBuZyI+5pe277yM5pa556iL5Li6Le+8iDEtMnjvvIk9M++8jDxicj7op6PlvpfvvJp4PTIuIDxicj7mlYXpgIlELiA8L2Rpdj4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.
方程|2x-3|-3x=4的解为( )
A: |
B: |
C: |
D: 以上都不正确 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5Y6757ud5a+55YC85pe277yM6KaB5YiG5Li65Lik56eN5oOF5Ya1PC9wPg==
- 提示2:PHA+4pGg5b2TMngtM+KJpTDvvIzljbN44omlPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzEzLzE2L3JCQUNFMU1GLTh5aF8tN1BBQUFCT1RRdTVITTEwOS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMTYvckJBQ0UxTUYtOHloXy03UEFBQUJPVFF1NUhNMTA5LnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjEyIj7ml7bvvIzljp/mlrnnqIvljJbkuLoyeC0zLTN4PTTvvIzms6jmhI/orqjorrp45Y+W5YC85piv5ZCm5oiQ56uL77ybPGJyPjwvcD4=
- 提示3:PHA+5b2TMngtM++8nDDvvIzljbN477ycPGltZyBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzEzLzE2L3JCQUNFMU1GLTh5aF8tN1BBQUFCT1RRdTVITTEwOS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTMvMTYvckJBQ0UxTUYtOHloXy03UEFBQUJPVFF1NUhNMTA5LnBuZyIgaGVpZ2h0PSI0MiIgd2lkdGg9IjEyIj7ml7bvvIzljp/mlrnnqIvljJbkuLot77yIMngtM++8iS0zeD0077yM5rGC5Ye65pa556iL55qE6Kej5Y2z5Y+vLjwvcD4=
- 答案:Qg==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.若关于x的方程|2x-3|-m=0只有一个解,则m的值是( )
A: 正数 |
B: 负数 |
C: 零 |
D: 不存在 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrue7neWvueWAvOeahOaEj+S5ieW+l+WHum3iiaUw77yM
- 提示2:IOagueaNruaWueeoi+WPquacieS4gOS4quino++8jOWNs+WPr+W+l+WHuuetlOahiA==
- 答案:Qw==
PGRpdj7op6PvvJriiLV8MngtM3wtbT0w77yMPGJyPuKItHwyeC0zfD1t77yMPGJyPuKItG3iiaUw77yMPGJyPuKIteWFs+S6jnjnmoTmlrnnqIt8MngtM3wtbT0w5Y+q5pyJ5LiA5Liq6Kej77yMPGJyPuKItG09MO+8iOWboOS4um3kuLrmraPmlbDml7bvvIzmlrnnqIvmnInkuKTkuKrop6PvvIkuIDxicj7mlYXpgIlDLiA8L2Rpdj4=
本课配套习题挑战模式4/5
单选题
难度系数:
4.方程|3x|+|x-2|=4的解的个数是( )
A: 0 |
B: 1 |
C: 2 |
D: 3 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrnjnmoTlj5blgLzojIPlm7Tljrvnu53lr7nlgLzvvIzmiYDku6XpnIDopoHliIbnsbvorqjorro=
- 提示2:IOS4u+imgeacieS4gOS4i+S4ieenjeaDheWGte+8muKRoOW9k3jiiaUy5pe277yb4pGh5b2TMO+8nHjvvJwy5pe277yb4pGi5b2TeO+8nDDml7bvvJvmoLnmja5455qE5LiJ56eN5Y+W5YC86IyD5Zu05p2l6Kej5Y6f5pa556iL
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.绝对值方程||x-2|-|x-6||=l的不同实数解共有多少个( )
A: 2 |
B: 4 |
C: 1 |
D: 0 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOWboOS4uuaYr+e7neWvueWAvOmHjOmdouWll+e7neWvueWAvO+8jOaJgOS7peWFiOWvueWOu+acgOWklumdoueahOe7neWvueWAvOi/m+ihjOWIhuexu+iuqOiuuu+8jOWPr+S7peW+l+WIsOS4pOenjeaDheWGtQ==
- 提示2:5Zyo5q+P5LiA56eN5oOF5Ya15LiL77yM5YaN5qC55o2ueOeahOWPluWAvOiMg+WbtOWOu+e7neWvueWAvO+8jOaJgOS7peWPiOmcgOimgeWIhuexu+iuqOiuuu+8jOWIhuWIq+iuqOiuunjiiaU244CBeO+8nDLjgIEy4omkeO+8nDbvvIzmoLnmja5455qE6IyD5Zu05Y675o6J57ud5a+55YC877yM6Kej5Ye6eA==
- 提示3:IOe7vOWQiOWFreenjeaDheWGteWPr+W+l+WHunjnmoTmnIDnu4jojIPlm7Q=
- 答案:QQ==
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