Ответ:
а) 25 × 873 × 4 = (25 × 4) × 873 = 100 × 873 = 87 300.
б) 125 × 794 × 8 = (125 × 8) × 794 = 1000 × 794 = 794 000.
в) 20 × 72 × 50 = (20 × 50) × 72 = 1000 × 72 = 72 000.
Ответ: а) 87 300; б) 794 000; в) 72 000.
а) 25 × 873 × 4 = (25 × 4) × 873 = 100 × 873 = 87 300.
б) 125 × 794 × 8 = (125 × 8) × 794 = 1000 × 794 = 794 000.
в) 20 × 72 × 50 = (20 × 50) × 72 = 1000 × 72 = 72 000.
Ответ: а) 87 300; б) 794 000; в) 72 000.