Original sentence: **2 and 0 are 2.*2 and 4 add up to 6.2+4+6=12 ⇒ 1+2=3.†There are no digits left.††7, 3, and 1 make 11; 1 and 1 add up to 2.‡2, 4, and 6 make 12; 1 and 2 make 3
Edited sentence: 2 and 0 are 2.2 and 4 add up to 6.2, 4, and 6 make 12; 1 and 2 make 3.7, 3, and 1 make 11; 1 and 1 add up to 2.In each addend, cross out all 9's and pairs of digits that total 9, then add together what remains.Now process the sum and also the excesses to get a final excess.There are no digits left