450÷50=9, 120×8=960, 360÷40=9,
140×5=700, 480÷60=8, 11×60=660,
810÷90=9, 23×30=690, 70×80=5600. 故答案为:9,960,9,700,8,660,9,690,5600.
450÷50=9, 120×8=960, 360÷40=9,
140×5=700, 480÷60=8, 11×60=660,
810÷90=9, 23×30=690, 70×80=5600. 故答案为:9,960,9,700,8,660,9,690,5600.