Answer:
1.) 16 ,___,26,31,____,41,____
Answer:16,21,26,31,36,41,46
2.)____,35,____,55,____,75
Answer:25,35,45,55,65,75
3.)35,____39,___,43,____,___
Answer:35,37,39,41,43,45,47
4.)___,67,61,___,49,___,37
Answer:73,67,61,55,49,43,37
5.)1A,2B,__,4D,___,6F,7G,8H,__
Answer:1A,2B,3C,4D,5E,6F,7G,8H,9I