本课配套习题挑战模式1/3
单选题
难度系数:
1.下列各组集合M与N中,表示相等的集合是( )
A: M={(0,1)},N={0,1} |
B: M={(0,1)},N={(1,0)} |
C: M={(0,1)},N={(x,y)|x=0且y=1} |
D: M={π},N={3.14} |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrumimOaEj++8jOe7k+WQiOmbhuWQiOebuOetieeahOaEj+S5ie+8jOWNs+WFtuS4reeahOWFg+e0oOWujOWFqOebuOWQjC4g5L6d5qyh5YiG5p6Q6YCJ6aG5
- 答案:Qw==
6Kej77ya5ZyoQeS4re+8jOmbhuWQiE3mmK/ngrnpm4bvvIzpm4blkIhO5piv5pWw6ZuG77yM5pWFTeWSjE7kuI3nm7jnrYnvvJs8YnI+5ZyoQuS4re+8jOmbhuWQiE3ooajnpLrnmoTngrnlnKh56L205LiK77yM6ZuG5ZCITuihqOekuueahOeCueWcqHjovbTkuIrvvIzmlYVN5ZKMTuS4jeebuOetie+8mzxicj7lnKhD5Lit77yMTT1777yIMO+8jDHvvIl977yMTj1777yIeO+8jHnvvIl8eD0w5LiUeT0xfT1777yIMO+8jDHvvIl977yM5pWFTT1O77ybPGJyPuWcqETkuK3vvIxNPXvPgH3lkoxOPXszLjE0feaYr+S4pOS4quS4jeWQjOeahOWNleWFg+e0oOmbhuWQiO+8jOaVhU3lkoxO5LiN55u4562JLiA8YnI+5pWF6YCJQy4=
本课配套习题挑战模式2/3
单选题
难度系数:
2.
已知集合A={1,x,x2-x},B={1,2,x},若集合A与集合B相等,则x的值为( )
A: 1 |
B: -1 |
C: 2 |
D: -2 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+6ZuG5ZCIQeS4jumbhuWQiELnm7jnrYnvvIznlLHkuo54PHN1cD4yPC9zdXA+LXjiiaB477yMeDxzdXA+Mjwvc3VwPi144omgMS4g5Y+v5b6XeDxzdXA+Mjwvc3VwPi14PTIuIOino+W+l3jvvIzlho3ov5vooYzpqozor4HljbPlj68uPC9wPg==
- 答案:Qg==
PHA+6Kej77ya4oi16ZuG5ZCIQeS4jumbhuWQiELnm7jnrYnvvIziiLR4PHN1cD4yPC9zdXA+LXjiiaB477yMeDxzdXA+Mjwvc3VwPi144omgMS48YnI+4oi0eDxzdXA+Mjwvc3VwPi14PTIuIOino+W+l3g9MuaIlng9LTEuPGJyPuW9k3g9MuaXtu+8jOS4jumbhuWQiOWFg+e0oOeahOS6kuW8guaAp+efm+ebvi48YnI+5b2TeD0tMeaXtu+8jOespuWQiOmimOaEjy48YnI+4oi0eD0tMS48L3A+
本课配套习题挑战模式3/3
单选题
难度系数:
3.
A: P={1,0,-1} |
B: P={0,-1} |
C: P={1, -1} |
D: P={1} |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5Yip55So6ZuG5ZCI55u4562J55qE5YWz57O756Gu5a6a5p2h5Lu277yM6KaB5rOo5oSP5Yip55So5YWD57Sg55qE5LqS5byC5oCn77yM6L+b6KGM5qOA5p+lLjwvcD4=
- 答案:QQ==
PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzdDLzk3L3JCQUNGRk9mMmFXZ1pzbElBQUFvSDFoak1UVTc1LmpwZWciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvN0MvOTcvckJBQ0ZGT2YyYVdnWnNsSUFBQW9IMWhqTVRVNzUuanBlZyIgaGVpZ2h0PSIxMDAiIHdpZHRoPSI1NTQiPjxicj48L3A+