- 35
- 38
- 41
- 45
- c
-
1,7,14,22,31,______
1+6=7
7+7=14
14+8=22
22+9=31
31+10=41
41+11=52
1,7,14,22,31,______
1+6=7
7+7=14
14+8=22
22+9=31
31+10=41
41+11=52
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