1/5单选题
难度：
1.一组有规律的数字依次是1，5，11，19，29，A，55，其中A的值是（ ）
| A | 40 |
| B | 41 |
| C | 42 |
| D | 43 |
- 提示1：
- IOiAg+iZkeebuOmCu+S4pOaVsOW3ruWAvOeahOinhOW+iw==
正确答案：Qg==
6Kej77ya5LiA57uE5pWw5L6d5qyh5pivMe+8jDXvvIwxMe+8jDE577yMMjnvvIxB77yMNTXvvIw8YnI+5Y+v5Lul5Y+R546w77yaNS0xPTTvvIwxMS01PTbvvIwxOS0xMT0477yMMjktMTk9MTDvvIw8YnI+5omA5LulQS0yOT0xMu+8jDU1LUE9MTQuIDxicj7miYDku6VBPTQx77yM5Lmf56ym5ZCINTUtQT0xNC4g
2/5单选题
难度：
2.观察数字-1，2，7，14，23，34，…的规律，照此规律第n个数为( )
| A | n2 |
| B | n2-1 |
| C | n2-2 |
| D | n2+1 |
- 提示1：
- IOiAg+iZkeebuOmCu+S4pOaVsOeahOW3ruWAvO+8jOS4ujMsNSw3LDksMTHigKY=
- 提示2：
- IOW3ruWAvOaIkOetieW3ruaVsOWIl++8jOS4lOWFrOW3ruS4ujI=
- 提示3：
- IOesrG7pobnkuI5uPHN1cD4yPC9zdXA+5pyJ5YWz
正确答案：Qw==
6Kej77ya55u46YK75Lik5pWw5beu5YC85Li6Myw1LDcsOSwxMeKApjxicj7lt67lgLzmiJDnrYnlt67mlbDliJfvvIzkuJTlhazlt67kuLoyPGJyPuesrG7pobnkuI5uPHN1cD4yPC9zdXA+5pyJ5YWz77yMbj0x5pe277yMbjxzdXA+Mjwvc3VwPj0xLDxicj7ljp/mlbDliJfnrKxu6aG55Li6bjxzdXA+Mjwvc3VwPi0y
3/5单选题
难度：
3.4，7，12，19，28，… 第15项为()
| A | 226 |
| B | 227 |
| C | 228 |
| D | 229 |
- 提示1：
- IOinguWvn+ebuOmCu+S4pOaVsOeahOW3ruWAvOeahOinhOW+izMsNSw3LDnvvIzigKY=
- 提示2：
- IOW3ruWAvOaIkOetieW3ruaVsOWIl+WFrOW3ruS4ujLvvIzmiYDku6XnrKxu6aG55LiObjxzdXA+Mjwvc3VwPuacieWFsw==
- 提示3：
- IOW9k249MeaXtu+8jOavlOi+g+aVsOWIl+esrOS4gOS4quaVsOW+l+esrG7pobnkuLpuPHN1cD4yPC9zdXA+KzM=
正确答案：Qw==
6Kej77ya55u46YK75Lik5pWw55qE5beu5YC855qE6KeE5b6LMyw1LDcsOe+8jOKApjxicj7lt67lgLzmiJDnrYnlt67mlbDliJflhazlt67kuLoy77yM5omA5Lul56ysbumhueS4jm48c3VwPjI8L3N1cD7mnInlhbM8YnI+5b2Tbj0x5pe277yM5q+U6L6D5pWw5YiX56ys5LiA5Liq5pWw5b6X56ysbumhueS4um48c3VwPjI8L3N1cD4rMzxicj4g5b2Tbj0xNeaXtu+8jG48c3VwPjI8L3N1cD4rMz0yMjg=
4/5单选题
难度：
4.4，13，28，49，76，… 第𝑛项________
| A | 3n2-1 |
| B | 3n2+1 |
| C | 3n2-2 |
| D | 3n2+2 |
- 提示1：
- IOinguWvn+ebuOmCu+S4pOaVsOeahOW3ruWAvOeahOinhOW+izksMTUsMjEsMjfvvIzigKY=
- 提示2：
- IOW3ruWAvOaIkOetieW3ruaVsOWIl+WFrOW3ruS4ujbvvIzmiYDku6XnrKxu6aG55LiOM248c3VwPjI8L3N1cD7mnInlhbM=
- 提示3：
- IOW9k249MeaXtu+8jOavlOi+g+aVsOWIl+esrOS4gOS4quaVsA==
正确答案：Qg==
6Kej77ya55u46YK75Lik5pWw55qE5beu5YC855qE6KeE5b6LOSwxNSwyMSwyN++8jOKApjxicj7lt67lgLzmiJDnrYnlt67mlbDliJflhazlt67kuLo277yM5omA5Lul56ysbumhueS4jjNuPHN1cD4yPC9zdXA+5pyJ5YWzPGJyPm49MeaXtjNuPHN1cD4yPC9zdXA+PTPvvIzogIzmlbDliJfnrKzkuIDkuKrmlbDkuLo0PGJyPuaVheesrG7pobnkuLozbjxzdXA+Mjwvc3VwPisx
5/5单选题
难度：
5.一组有规律的数字依次是1，5，11，19，29，41，55，…则第n项为（ ）
| A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOinguWvn+ebuOmCu+S4pOaVsOeahOW3ruWAvOeahOinhOW+izQsNiw4LDEwLDEyLDE077yM4oCm
- 提示2：
- IOiuvjxpbWcgd2lkdGg9MzIzIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNCLzMwL3JCQUNFMU5yTm1HU2RjT3BBQUFFaEF4MjJ6MDMxMC5wbmciPg==
- 提示3：
- IOWPoOWKoOazleehruWumuesrG7pobnnmoTlgLw=
正确答案：RA==
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