Читать книгу All the Math You'll Ever Need - Steve Slavin - Страница 22

SELF-TEST 2.1

1 Add 453 and 975.
2 Find the sum of 1,864 and 798.
3 Multiply 561 by 92.
4 What is the product of 891 and 30?
5 Multiply 135 × 112.

If the first two gave you trouble, review Frame 1. If you got any of the last three wrong, review Frame 2. If you've got this, move on!