УМНОЖЕНИЕ И ДЕЛЕНИЕ КРУГЛЫХ ЧИСЕЛ 110 x 50 = 1500: 10 = 1500 x 70 = 3400: 20 = 3100: 20 = 650: 130 = 180 x 20 = 150 x 80 = 7600:40 = 160 x 8 = 4800:30 = 8500: 50 = 5700: 30 = 150 x 60 = 8400:60 = 170 x 50 = 9800: 70 = 1500 x 4 = 5500:50 = 110 x 10 = 160 x 10 = 1900 x 30 = 1020:6 = 180 x 7 = 9000: 50 = 13500:9 = 9900: 90 = 150 x 90 = 300:10 = 150 x 20 = 770: 110 = 560: 140 = 8400: 140 = 650: 130 = 180 x 20 = 150 x 80 = 170 x 50 = 180 x 10 = 750 x 30 = 1200: 10 = 5250: 70 = 4410:70 2760: 60 = 590 x 40 = 11900: 70 = 780 x 20 = 20 x 100 = 830 x 50 = 72000: 60 = 70 x 800 = 8800: 80 = 17 x 100 = 14400:80 = 1400 x 80 = 4500: 30 = 140 x 40 = 1700: 10 = 1900 x 90 = 1120: 80 = 110 x 70 = 560: 40 = 130 x 20 = 3600: 20 = 140 x 20 = 7700: 70 = 1200 x 20 = 65000:50 = 1600 x 50 = 9100: 70 = 130 x 40 = 1140:60 = 1100 x 60 = 5600: 70 = 120 x 40 = 8800: 80 = 1700 x 90 = 4200 : 30 = 1200 x 80 = 7000:50 = 160 x 90 = 1900: 190 = 130 x 80 = 1420:20 = 1800 x 60 = 1440: 90 = 390:30 = 130 x 90 = 16200:90 = 1400 x 90 = 120 x 90 = 4600:20 = 1600 x 20 = 1280 : 40 = 360:30 = 160 x 70 = 4400 : 40 = 190 x 70 = 3800 : 20 = 1700 x 40 = 960: 160 = 1600 x 30 = 5100: 17 = 4500: 3 = 180 x 40 = 780: 60 = 2800: 20 = 7000: 5 = 130 x 10 = 360:30 = 8500: 50 = 7600:40 = 680: 40 = 1900 x 30 = 2800 : 20 = 1800 x 80 = 600 x 40 = 1200 x 70 = 110 x 30 = 8000 : 16 = 220 x 60 = 850 : 170 = 3300 : 50 = 1200:12 = 600:40 = 140 x 10 = 10800: 60 = 780: 20 = 810 x 90 = 2890: 90 = 170 x 70 = 650:50= 110 x 50 = 910:70- 210 x 70- 420:10 19 x 60 510:170 1740:60 1550:5 60 x 14 6300 : 6 1260- 480: 660:6 100 x 1400: 3600x 7200- 260 1750 580 840 520 80- 45 180 78 36 80