Читать книгу All the Math You'll Ever Need - Steve Slavin - Страница 19
Problem 1:
ОглавлениеMultiply 73 by 5.
Solution:
Begin with 5 × 3 = 15. Put down the 5 and carry 1. Then 5 × 7 is 35 plus the 1 you carried is 36.
Multiply 73 by 5.
Solution:
Begin with 5 × 3 = 15. Put down the 5 and carry 1. Then 5 × 7 is 35 plus the 1 you carried is 36.
