r 12 Alg Add Sub 4 of 8 -+ Automatic Zoom Problem 12.8 Compute the following sums using the lattice method. (a) 482 + 269 (b) 567 + 765. Problem 12.9 Larry, Curly, and Moe each add incorrectly as follows. Larry: 29 Curly: 29 Moe: 29 +83 +83 +83 1012 121 102 How would you explain their mistakes to each of them? Problem 12.10 A palindrome is any number that reads the same backward as forward, for example, 121 and 2332. Try the following. Begin with any number. Is it a palindrome? If not, reverse the digits and add this new number to the old one. Is the result a palindrome?If not, repeat the above procedure until a palindrome is obtained. For example, suppose you start with 78. 4