ON YOUR PAPER, аdd the fоllоwing stаck оf numbers using SCRATCH ADDITION. а. Which numbers in the "ones" column would have "scratches"? [a] List in order that they are scratched and separate with commas and no spaces. b. Which numbers in the "tens" column would have "scratches"? [b] List in order that they are scratched and separate with commas and no spaces. c. What is the answer? [c]