1+4=5
2+5=12
3+6=21
8+11=?
2+5=12
3+6=21
8+11=?
Two ways you could do it and get to different answers
1+(4*1)=5 1+4=5
2+(5*2)=12 5+2+5=12
3+(6*3)=21 12+3+6=21
8+(11*4)=52 21+8+11=40
1+(4*1)=5 1+4=5
2+(5*2)=12 5+2+5=12
3+(6*3)=21 12+3+6=21
8+(11*4)=52 21+8+11=40