第6单元 加与减(三)-【优佳好】2023-2024学年一年级下册数学口算计算能力提升（北师大版）

单元六 　 第 1 课时　 图书馆(1) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　7 + 17 = 57 + 4 = 7 + 23 = 2 + 39 = 28 + 2 = 15 + 8 = 89 + 4 = 56 + 6 = 28 + 6 = 49 + 7 = 67 + 5 = 24 + 9 = 16 + 6 = 67 + 7 = 19 + 7 = 59 + 6 = 69 + 3 = 29 + 3 = 44 + 13 = 16 + 8 = 43 + 9 = 13 + 8 = 37 + 4 = 54 + 9 = 38 + 6 = 53 + 9 = 45 + 7 = 36 + 9 = 28 + 5 = 43 + 8 = 25 + 8 = 17 + 5 = 49 + 9 = 75 + 9 = 34 + 8 = 66 + 7 = 38 + 4 = 44 + 8 = 65 + 6 = 26 + 5 = 73 + 9 = 　 　 　 　 　 　 　 63 + 8 = 　 　 　 　 　 　 　 36 + 8 = 27 + 7 = 34 + 7 = 65 + 8 = 05 单元六 　 第 2 课时　 图书馆(2) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8 + 36 = 77 + 3 = 96 - 33 = 5 + 48 = 78 + 6 = 39 - 20 = 31 + 65 = 38 - 11 = 12 + 61 = 54 + 21 = 46 + 8 = 35 + 42 = 8 + 69 = 46 + 6 = 85 - 63 = 4 + 49 = 78 + 8 = 5 + 68 = 55 + 23 = 24 + 43 = 80 + 8 = 80 + 7 = 5 + 77 = 65 + 23 = 65 + 7 = 67 + 7 = 25 + 9 = 39 + 5 = 47 + 5 = 52 + 8 = 42 + 8 = 64 + 7 = 18 + 7 = 36 + 6 = 55 + 7 = 63 + 9 = 46 + 5 = 57 + 4 = 74 + 6 = 66 + 8 = 72 + 9 = 　 　 　 　 　 　 　 69 + 5 = 　 　 　 　 　 　 　 6 + 75 = 58 + 7 = 67 + 9 = 73 + 7 = 15 单元六 　 第 3 课时　 图书馆(3) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　6 + 93 = 73 + 7 = 43 + 7 = 8 + 63 = 69 - 24 = 35 + 8 = 94 + 6 = 67 - 26 = 58 - 26 = 44 + 6 = 66 + 9 = 73 + 7 = 63 + 31 = 59 - 56 = 82 + 8 = 56 + 8 = 2 + 84 = 50 + 18 = 48 + 4 = 8 + 57 = 87 - 25 = 66 + 5 = 60 + 3 = 17 + 5 = 28 + 8 = 19 + 8 = 83 + 9 = 75 + 6 = 64 + 6 = 55 + 9 = 42 + 9 = 55 + 8 = 5 + 85 = 46 + 7 = 69 + 2 = 9 + 72 = 23 + 7 = 25 + 6 = 54 + 8 = 66 + 4 = 32 + 9 = 　 　 　 　 　 　 　 45 + 6 = 　 　 　 　 　 　 　 76 + 8 = 77 + 9 = 34 + 6 = 6 + 37 = 25 单元六 　 第 4 课时　 图书馆(4) 1 年级 下 B 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　7 + 77 = 68 - 7 = 88 + 3 = 38 + 7 = 45 + 8 = 12 + 85 = 19 + 7 = 22 - 20 = 5 + 36 = 57 + 4 = 16 + 82 = 59 + 1 = 22 + 16 = 89 + 5 = 56 + 4 = 52 + 13 = 46 + 6 = 84 + 6 = 5 + 78 = 53 + 8 = 37 + 9 = 9 + 26 = 66 + 4 = 89 + 1 = 38 + 6 = 75 + 5 = 63 + 9 = 7 + 43 = 86 + 8 = 49 + 5 = 25 + 7 = 5 + 18 = 39 + 4 = 27 + 9 = 36 + 9 = 64 + 8 = 24 +