小学100以内加减法
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80 - 60 = 85 - 51 = 60 - 51 = 15 + 71 = 19 + 49 = 83 - 33 = 19 + 72 = 87 - 51 = 20 + 37 = 83 - 62 = 37 + 22 = 19 + 55 = 64 - 63 = 65 + 20 = 71 - 44 = 90 - 24 = 52 - 39 = 34 + 49 = 43 + 47 = 18 + 26 = 39 + 38 = 32 + 44 = 12 + 26 = 35 + 19 = 11 + 69 = 11 - 10 = 72 + 13 = 77 + 13 = 18 + 74 = 42 + 44 = 21 + 47 = 98 - 70 = 46 - 13 = 77 - 67 = 20 - 18 = 28 + 15 = 44 - 11 = 84 - 16 = 53 + 19 = 17 - 11 = 26 + 39 = 38 + 36 = 72 - 58 = 76 - 15 = 46 + 35 = 43 + 25 = 11 + 74 = 19 + 44 = 47 + 19 = 61 - 49 = 28 - 10 = 31 + 24 = 81 - 18 = 18 + 29 = 35 + 21 = 71 - 49 = 36 + 15 = 67 - 14 = 54 - 39 = 49 - 14 = 43 + 24 = 87 - 12 = 49 + 19 = 45 - 16 = 63 - 14 = 13 + 54 = 77 - 31 = 69 - 15 = 53 - 11 = 68 - 42 = 93 - 54 = 33 - 15 = 67 - 15 = 12 + 87 = 35 + 38 = 77 - 65 = 77 - 75 = 84 - 62 = 83 - 15 = 25 + 17 = 76 + 23 = 23 - 10 = 75 - 52 = 26 - 18 = 25 + 18 = 14 + 71 = 71 + 25 = 41 + 40 = 17 + 46 = 22 + 52 = 41 - 18 = 42 + 18 = 56 + 33 = 94 - 39 = 54 + 13 = 77 - 48 = 20 + 46 = 17 + 46 = 43 + 20 = 30 + 36 = 89 + 10 = 79 - 35 = 34 + 49 = 69 + 11 = 78 - 40 = 44 - 41 = 49 + 19 = 70 - 17 = 51 - 20 = 75 - 23 = 39 + 18 = 16 + 14 = 31 + 21 = 88 - 18 = 46 - 34 = 50 - 46 = 69 - 18 = 90 - 61 = 89 - 10 = 24 + 23 = 22 + 11 = 17 + 37 = 38 + 45 = 20 + 68 = 48 - 35 = 89 - 42 = 21 + 45 = 55 - 26 = 74 - 73 = 55 + 39 = 29 - 12 = 30 + 35 = 19 + 31 = 27 + 36 = 59 + 39 =
17 - 16 = 46 + 16 = 99 - 13 = 26 + 48 = 44 + 19 = 95 - 20 = 48 + 15 = 85 - 16 = 44 - 16 = 36 + 45 = 23 + 36 = 15 + 30 = 39 + 21 = 25 + 17 = 47 + 14 = 40 + 36 = 75 - 61 = 41 + 44 = 87 - 83 = 56 + 26 = 54 - 20 = 43 + 45 = 75 - 70 = 17 + 16 = 61 - 51 = 40 + 17 = 88 - 23 = 71 + 11 = 45 + 44 = 37 + 37 = 54 + 28 = 43 + 48 = 13 + 36 = 29 + 48 = 33 - 15 = 11 + 36 = 44 + 17 = 46 + 17 = 98 - 30 = 81 - 22 = 46 + 48 = 66 - 54 = 99 - 16 = 78 - 30 = 69 - 39 = 64 - 36 = 27 + 56 = 75 + 14 = 41 - 13 = 41 - 32 = 86 - 15 = 73 + 14 = 88 - 31 = 45 + 43 = 41 - 26 = 47 + 15 = 59 - 30 = 87 - 58 = 41 + 19 = 88 - 21 = 49 + 26 = 73 + 13 = 28 + 47 = 55 - 18 = 18 + 11 = 22 + 42 = 99 - 10 = 83 - 24 = 97 - 46 = 20 + 47 = 17 + 38 = 43 + 19 = 39 + 49 = 90 - 77 = 97 - 14 = 49 + 25 = 32 - 12 = 72 + 14 = 80 - 69 = 69 + 10 = 58 - 37 = 57 + 43 = 17 - 16 = 42 - 37 = 19 + 33 = 40 - 16 = 48 + 43 = 18 + 49 = 45 + 41 = 53 - 13 = 42 + 33 = 92 - 64 = 41 - 35 = 93 - 85 = 40 + 24 = 71 - 18 = 72 - 10 = 97 - 89 = 39 + 27 = 93 - 13 = 76 - 26 = 92 - 41 = 10 + 63 = 44 + 42 = 19 + 79 = 63 + 13 = 65 + 18 = 78 - 21 = 10 + 63 = 37 + 46 = 89 - 11 = 27 + 18 = 77 - 28 = 72 - 46 = 34 + 27 = 29 + 46 = 31 + 20 = 16 + 44 = 46 - 16 = 29 + 42 = 13 + 78 = 53 + 17 = 82 - 38 = 67 - 58 = 43 + 19 = 91 - 19 = 41 + 37 = 70 - 66 = 68 - 34 = 53 + 39 = 81 - 18 = 73 - 18 = 24 + 41 = 39 + 40 = 64 - 18 =