Ответ:
\(75 \times 6 = 450\)
\(87 \times 7 = 609\)
\(19 \times 50 = 19 \times 5 \times 10 = 950\)
\(260 \times 3 = 780\)
Ответ: 450; 609; 950; 780.
\(75 \times 6 = 450\)
\(87 \times 7 = 609\)
\(19 \times 50 = 19 \times 5 \times 10 = 950\)
\(260 \times 3 = 780\)
Ответ: 450; 609; 950; 780.