15. Solve the multiplication problems: 305 x 201 339 x 707 452 x 508

Решение:

1. \( 305 \times 201 = 61305 \)
2. \( 339 \times 707 = 239793 \)
3. \( 452 \times 508 = 229616 \)

Ответ: 1. 61305, 2. 239793, 3. 229616.