1. 7, 12, 22, 37, 57, 82, 112 - Pattern:5, 10, 15, 20, 25, 30
2.No - Answer:(-3)
3.218 - Solution:1+3+5+7+9+11+13+15+17+19+21+23+25+27+29
4.Yes, 46 000 - Solution: 100+200+300+400+500+600+700+800+900+1000
