a new formula you know 5.5+5.5 is 11 now change the decimal into addition sign 5+5=10+1= 11 this sequence follows on all odd numbers such as 6.5+6.5=13 then change the operation again 6+5=11+2=13 7.5+7.5=15 7+5=12 +3 = 15 Reply
you know 5.5+5.5 is 11 now change the decimal into addition sign 5+5=10+1= 11 this sequence follows on all odd numbers such as 6.5+6.5=13 then change the operation again 6+5=11+2=13 7.5+7.5=15 7+5=12 +3 = 15