本课配套习题挑战模式2/5
单选题
难度系数:
2.按数列的排列规律猜想数列 的第10项是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNruWlh+WBtuehruWumuato+i0nw==
- 提示2:IOehruWumuWIhuWtkOWSjOWIhuavjQ==
- 答案:Qw==
PGRpdj7op6PvvJrnibnngrnvvJrliIblrZDkuLrlgbbmlbDvvIzliIbmr43kuLrlpYfmlbDvvIzlpYfmlbDkuKrkuLrmraPvvIzlgbbmlbDkuKrkuLrotJ/vvIw8L2Rpdj48ZGl2PuaJgOS7pTxpbWcgd2lkdGg9MjAzIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzAxL0QxL3JCQUNGRk1OVVlXQzRNRW5BQUFEREU1QXQxUTU2Ny5wbmciPjwvZGl2Pg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.
已知21=2,22=4,23=8,24=16,25=32……仔细观察,式子的特点,根据你发现的规律,则22008的个位数字是( )
A: 2 |
B: 4 |
C: 6 |
D: 8 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5b6q546v5Z6L6KeE5b6L77yM5q+PNOS4quS4gOW+queOrzwvcD4=
- 答案:Qw==
PGRpdj7op6PvvJrlvqrnjq/lnovop4TlvovvvIzmr4805Liq5LiA5b6q546v77yMMjAwOOaYrzTnmoTlgI3mlbDvvIzmiYDku6UyPHN1cD4yMDA4PC9zdXA+5Liq5L2N5pWw5a2X5pivNjwvZGl2Pg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.找规律: ()
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IOW8j+WtkOeahOespuWPt++8muWlh+aVsOS4quaYr+ato+WPt++8jOWBtuaVsOS4quaYr+i0n+WPtw==
- 提示2:IOWIhuWtkOaYr+i/nue7reeahOWlh+aVsA==
- 提示3:IOWIhuavjeWQjui+ueeahOaVsOeahOWIhuavjeaYr+WJjei+ueeahOaVsOeahOWIhuavjeeahDLlgI3lh48xLiDmja7mraTljbPlj6/liKTmlq0=
- 答案:QQ==
PGRpdj7op6PvvJrmnInku6XkuIvnibnngrkxLiDlvI/lrZDnmoTnrKblj7fvvJrlpYfmlbDkuKrmmK/mraPlj7fvvIzlgbbmlbDkuKrmmK/otJ/lj7c8L2Rpdj48ZGl2PjIuIOWIhuWtkOaYr+i/nue7reeahOWlh+aVsDwvZGl2PjxkaXY+My4g5YiG5q+N5ZCO6L6555qE5pWw55qE5YiG5q+N5piv5YmN6L6555qE5pWw55qE5YiG5q+N55qEMuWAjeWHjzEuIOaNruatpOWNs+WPr+WIpOaWrTwvZGl2PjxkaXY+PGltZyB3aWR0aD0yMDAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjQvQzEvckJBQ0UxTU5VWFB3d0E1N0FBQUN5VkJlNFY4ODI2LnBuZyI+PC9kaXY+
本课配套习题挑战模式5/5
单选题
难度系数:
5.
观察下面几组数:
1,3,5,7,9,11,13,15,…
2,5,8,11,14,17,20,23,…
7,13,19,25,31,37,43,49,…
这三组数具有共同的特点.现在有上述特点的一组数,并知道第一个数是3,第三个数是11.则其第n个数为( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5YiG5p6Q5pWw5o2u5Y+v5b6X77ya56ys5LiA5Liq5pWw5pivM++8jOesrOS4ieS4quaVsOaYrzEx77yM5YiZ56ys5LqM5Liq5pWw5Li6N++8m+WNs+avj+S4quaVsOavlOWJjeS4gOS4quWkpzTvvIzmlYXlhbbnrKxu5Liq5pWw5Li6NG4tMTwvcD4=
- 答案:Qw==
PGRpdj7op6PvvJriiLXmr4/kuKrmlbDmr5TliY3kuIDkuKrlpKc077yM4oi056ysbuS4quaVsOS4ujRuLTE8L2Rpdj4=