Читать книгу All the Math You'll Ever Need - Steve Slavin - Страница 15
Problem 1:
ОглавлениеAdd 312 and 423.
Solution:
All that's necessary is adding the digits in each column: 2 + 3 = 5, 1 + 2 = 3, and 3 + 4 = 7.
Add 312 and 423.
Solution:
All that's necessary is adding the digits in each column: 2 + 3 = 5, 1 + 2 = 3, and 3 + 4 = 7.
