80 x 800 = 360: 90 = 9 x 200 = 300: 30 = 4200: 30 = 320: 80 =

Решение:

• 80 \times 800 = 64000
• 360 \div 90 = 4
• 9 \times 200 = 1800
• 300 \div 30 = 10
• 4200 \div 30 = 140
• 320 \div 80 = 4

Ответ: 64000, 4, 1800, 10, 140, 4