第七单元 数的世界-【优佳好】2023-2024学年一年级下册数学口算计算能力提升（苏教版）

单元七 　 第 1 课时　 数的世界(1) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　15 + 22 = 13 - 5 = 27 + 35 = 52 + 18 = 63 - 26 = 45 + 27 = 70 - 20 = 31 - 6 = 40 + 30 = 75 - 42 = 27 + 18 = 39 - 11 = 45 + 6 = 53 - 24 = 67 - 8 = 39 - 2 = 54 + 28 = 81 - 6 = 36 - 18 = 64 + 21 = 5 + 35 = 53 - 22 = 6 + 57 = 75 - 38 = 68 - 39 = 54 - 27 = 43 + 29 = 61 + 5 = 70 - 45 = 58 - 9 = 40 + 20 = 73 - 42 = 12 - 9 = 8 + 37 = 45 - 28 = 16 - 7 = 39 + 47 = 89 - 75 = 32 + 24 = 71 - 27 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　83 - 54 = 27 + 8 = 75 - 46 = 63 - 7 = 48 + 51 = 35 + 35 = 76 单元七 　 第 2 课时　 数的世界(2) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　25 + 12 = 15 - 7 = 85 - 13 = 57 - 8 = 27 + 36 = 67 - 34 = 13 + 52 = 4 + 47 = 40 - 22 = 21 + 45 = 72 - 9 = 64 - 44 = 53 + 8 = 42 + 47 = 96 - 45 = 94 - 34 = 27 - 18 = 87 - 54 = 80 + 10 = 57 + 21 = 81 - 43 = 35 + 46 = 72 - 28 = 53 + 7 = 16 - 8 = 50 - 40 = 48 - 22 = 80 - 39 = 72 - 29 = 42 + 19 = 93 - 56 = 63 + 35 = 54 - 8 = 79 - 56 = 9 + 48 = 82 - 53 = 62 - 27 = 96 - 30 = 19 + 20 = 46 - 12 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　28 + 28 = 90 - 49 = 86 - 27 = 46 - 18 = 53 - 26 = 46 - 39 = 86 单元七 　 第 3 课时　 数的世界(3) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　32 + 14 = 28 + 50 = 14 - 7 = 72 - 41 = 23 + 15 = 35 + 9 = 49 + 9 = 65 - 40 = 33 - 18 = 25 + 8 = 47 - 36 = 88 - 62 = 64 - 25 = 17 + 40 = 45 + 7 = 74 - 25 = 90 - 50 = 94 - 72 = 73 + 9 = 30 + 20 = 70 + 22 = 45 + 27 = 70 - 38 = 52 + 47 = 73 - 26 = 67 - 54 = 29 + 38 = 32 + 40 = 81 - 29 = 50 - 22 = 16 - 8 = 73 - 6 = 52 - 27 = 39 - 20 = 50 + 13 = 16 + 31 = 74 + 18 = 25 + 7 = 96 - 50 = 78 + 13 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　53 - 24 = 76 + 17 = 45 + 14 = 50 - 12 = 77 - 19 = 61 - 43 = 96 单元七 　 第 4 课时　 数的世界(4) 1 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　32 + 45 = 27 + 3 = 18 - 9 = 75 - 42 = 53 + 18 = 64 - 22 = 91 - 43 = 22 + 20 = 20 + 26 = 68 - 18 = 75 - 46 = 42 - 22 = 48 + 27 = 75 - 9 = 36 + 36 = 76 - 49 = 83 - 52 = 29 + 17 = 80 - 27 =