And what have we learned today?
01 + 01 = nothing at all. 02 + 02 = nothing at all. 03 + 03 = nothing at all. 04 + 04 = nothing at all. 05 + 05 = nothing at all. 06 + 06 = nothing at all. 07 + 07 = nothing at all. 08 + 08 = nothing at all. 09 + 09 = nothing at all. 10 + 10 = nothing at all. 11 + 11 = nothing at all. 12 + 12 = nothing at all. 13 + 13 = nothing at all. 14 + 14 = nothing at all. 15 + 15 = nothing at all. 16 + 16 = nothing at all. 17 + 17 = nothing at all. 18 + 18 = nothing at all. 19 + 19 = nothing at all. 20 + 20 = nothing at all. 21 + 21 = nothing at all. 22 + 22 = nothing at all. 23 + 23 = nothing at all. 24 + 24 = nothing at all. 25 + 25 = nothing at all. 26 + 26 = nothing at all. 27 + 27 = nothing at all. 28 + 28 = nothing at all. 29 + 29 = nothing at all. 30 + 30 = nothing at all. 31 + 31 = nothing at all. 32 + 32 = nothing at all. 33 + 33 = nothing at all. 34 + 34 = nothing at all. 35 + 35 = nothing at all. 36 + 36 = nothing at all. 37 + 37 = nothing at all. 38 + 38 = nothing at all. 39 + 39 = nothing at all. 40 + 40 = nothing at all. 41 + 41 = nothing at all. 42 + 42 = nothing at all. 43 + 43 = nothing at all. 44 + 44 = nothing at all. 45 + 45 = nothing at all. 46 + 46 = nothing at all. 47 + 47 = nothing at all. 48 + 48 = nothing at all. 49 + 49 = nothing at all. 50 + 50 = nothing at all. 51 + 51 = nothing at all. 52 + 52 = nothing at all. 53 + 53 = nothing at all. 54 + 54 = nothing at all. 55 + 55 = nothing at all. 56 + 56 = nothing at all. 57 + 57 = nothing at all. 58 + 58 = nothing at all. 59 + 59 = nothing at all. 60 + 60 = nothing at all. 61 + 61 = nothing at all. 62 + 62 = nothing at all. 63 + 63 = nothing at all. 64 + 64 = nothing at all. 65 + 65 = nothing at all. 66 + 66 = nothing at all. 67 + 67 = nothing at all. 68 + 68 = nothing at all. 69 + 69 = nothing at all. 70 + 70 = nothing at all. 71 + 71 = nothing at all. 72 + 72 = nothing at all. 73 + 73 = nothing at all. 74 + 74 = nothing at all. 75 + 75 = nothing at all. 76 + 76 = nothing at all. 77 + 77 = nothing at all. 78 + 78 = nothing at all. 79 + 79 = nothing at all. 80 + 80 = nothing at all. 81 + 81 = nothing at all. 82 + 82 = nothing at all. 83 + 83 = nothing at all. 84 + 84 = nothing at all. 85 + 85 = nothing at all. 86 + 86 = nothing at all. 87 + 87 = nothing at all. 88 + 88 = nothing at all. 89 + 89 = nothing at all. 90 + 90 = nothing at all. 91 + 91 = nothing at all. 92 + 92 = nothing at all. 93 + 93 = nothing at all. 94 + 94 = nothing at all. 95 + 95 = nothing at all. 96 + 96 = nothing at all. 97 + 97 = nothing at all. 98 + 98 = nothing at all. 99 + 99 = nothing at all.
01 + 01 = nothing at all. 02 + 02 = nothing at all. 03 + 03 = nothing at all. 04 + 04 = nothing at all. 05 + 05 = nothing at all. 06 + 06 = nothing at all. 07 + 07 = nothing at all. 08 + 08 = nothing at all. 09 + 09 = nothing at all. 10 + 10 = nothing at all. 11 + 11 = nothing at all. 12 + 12 = nothing at all. 13 + 13 = nothing at all. 14 + 14 = nothing at all. 15 + 15 = nothing at all. 16 + 16 = nothing at all. 17 + 17 = nothing at all. 18 + 18 = nothing at all. 19 + 19 = nothing at all. 20 + 20 = nothing at all. 21 + 21 = nothing at all. 22 + 22 = nothing at all. 23 + 23 = nothing at all. 24 + 24 = nothing at all. 25 + 25 = nothing at all. 26 + 26 = nothing at all. 27 + 27 = nothing at all. 28 + 28 = nothing at all. 29 + 29 = nothing at all. 30 + 30 = nothing at all. 31 + 31 = nothing at all. 32 + 32 = nothing at all. 33 + 33 = nothing at all. 34 + 34 = nothing at all. 35 + 35 = nothing at all. 36 + 36 = nothing at all. 37 + 37 = nothing at all. 38 + 38 = nothing at all. 39 + 39 = nothing at all. 40 + 40 = nothing at all. 41 + 41 = nothing at all. 42 + 42 = nothing at all. 43 + 43 = nothing at all. 44 + 44 = nothing at all. 45 + 45 = nothing at all. 46 + 46 = nothing at all. 47 + 47 = nothing at all. 48 + 48 = nothing at all. 49 + 49 = nothing at all. 50 + 50 = nothing at all. 51 + 51 = nothing at all. 52 + 52 = nothing at all. 53 + 53 = nothing at all. 54 + 54 = nothing at all. 55 + 55 = nothing at all. 56 + 56 = nothing at all. 57 + 57 = nothing at all. 58 + 58 = nothing at all. 59 + 59 = nothing at all. 60 + 60 = nothing at all. 61 + 61 = nothing at all. 62 + 62 = nothing at all. 63 + 63 = nothing at all. 64 + 64 = nothing at all. 65 + 65 = nothing at all. 66 + 66 = nothing at all. 67 + 67 = nothing at all. 68 + 68 = nothing at all. 69 + 69 = nothing at all. 70 + 70 = nothing at all. 71 + 71 = nothing at all. 72 + 72 = nothing at all. 73 + 73 = nothing at all. 74 + 74 = nothing at all. 75 + 75 = nothing at all. 76 + 76 = nothing at all. 77 + 77 = nothing at all. 78 + 78 = nothing at all. 79 + 79 = nothing at all. 80 + 80 = nothing at all. 81 + 81 = nothing at all. 82 + 82 = nothing at all. 83 + 83 = nothing at all. 84 + 84 = nothing at all. 85 + 85 = nothing at all. 86 + 86 = nothing at all. 87 + 87 = nothing at all. 88 + 88 = nothing at all. 89 + 89 = nothing at all. 90 + 90 = nothing at all. 91 + 91 = nothing at all. 92 + 92 = nothing at all. 93 + 93 = nothing at all. 94 + 94 = nothing at all. 95 + 95 = nothing at all. 96 + 96 = nothing at all. 97 + 97 = nothing at all. 98 + 98 = nothing at all. 99 + 99 = nothing at all.