The user has provided an image containing a list of multiplication and division problems, with some answers already filled in. The task is to analyze this data.

The provided image contains a list of arithmetic problems, primarily multiplication and division, with some handwritten answers. The problems are presented in columns.

• Column 1 (leftmost): Contains problems like 120 * 90 = 10800, 4600 / 20 = 230, 190 * 10 = 1900, 1800 * 60 = 30, 1100 * 60 = 66000, 5600 / 70 = 80, 120 * 40 = 4?3, 2800 / 20 = 140.
• Column 2 (middle-left): Contains problems like 7600 / 40 =, 680 / 40 =, 1900 / 30 =, 1800 * 8 =, 110 * 30 =, 8000 / 16 =, 480 / 160 =, 850 / 170 =, 600 / 4 =, 1200 / 12 =, 1700 * 40 =, 960 / 160 =, 1600 * 30 =, 5100 / 17 =, 4500 / 3 = 1800, 180 * 40 =, 780 / 60 = 13, 2800 / 20 = 140, 7000 / 5 =, 130 * 10 =, 360 / 30 = 1, 8500 / 50 =.
• Column 3 (middle-right): Contains problems like 1600 * 3 =, 5100 / 17 =, 340 / 170 =, 600 / 40 =, 60 / 60 =, 220 * 60 =, 3300 / 60 =, 330 * 60 =, 6100 / 50 =, 520 * 50 =, 780 / 20 =, 810 * 90 =, 2890 / 90 =, 170 * 70 =, 650 / 50 =, 110 * 50 =, 910 / 70 =, 210 * 70 = 3, 420 / 10 =, 19 * 60 =, 510 / 170 =, 1740 / 60 =, 1550 / 5 =, 60 * 140 =, 660 / 60 =, 250 * 60 =, 6300 / 60 =, 1260 / 9 =, 480 / 80 =, 100 * 90 =, 1400 / 50 =, 3600 * 30 =, 7200 / 40 =, 260 * 70 =.
• Column 4 (rightmost): Contains problems like 1750, 580:, 840:, 520:, 80:, 450:, 180:, 780:, 360:, 80:, 92:, 28:, 7:, 1:.

Some answers are written in handwriting, such as 10800, 230, 1900, 30, 66000, 80, 4?3, 1800, 13, 140, 1, and 3.