广告
  • 两位数的加法速算技巧
  • 发布时间:2021-01-13 00:09 | 作者:admin | 来源:未知 | 浏览:
  • 广告

  • 89 + 47 = 136 —— 57 + 33 = 90 —— 43 - 33 = 10
    74 - 67 = 7 —— 20 + 24 = 44 —— 39 + 77 = 116
    99 + 66 = 165 —— 61 - 12 = 49 —— 74 + 82 = 156
    73 - 38 = 35 —— 33 + 85 = 118 —— 36 - 30 = 6
    16 + 30 = 46 —— 70 - 44 = 26 —— 32 + 41 = 73
    97 + 49 = 146 —— 72 + 90 = 162 —— 45 + 24 = 69
    38 - 13 = 25 —— 58 - 39 = 19 —— 76 + 39 = 115
    35 + 20 = 55 —— 65 + 57 = 122 —— 14 + 48 = 62
    28 + 34 = 62 —— 15 - 13 = 2 —— 23 - 10 = 13
    13 - 12 = 1 —— 32 - 21 = 11 —— 50 - 45 = 5
    40 + 57 = 97 —— 28 - 11 = 17 —— 53 - 41 = 12
    77 - 32 = 45 —— 95 - 26 = 69 —— 48 - 37 = 11
    94 - 58 = 36 —— 45 - 36 = 9 —— 72 + 69 = 141
    76 + 44 = 120 —— 74 - 28 = 46 —— 20 + 29 = 49
    82 + 50 = 132 —— 30 - 16 = 14 —— 22 - 20 = 2
    24 + 78 = 102 —— 77 - 15 = 62 —— 86 - 25 = 61
    67 + 97 = 164 —— 34 - 28 = 6 —— 36 + 73 = 109
    31 - 11 = 20 —— 37 + 13 = 50 —— 66 + 89 = 155
    30 + 86 = 116 —— 49 + 13 = 62 —— 67 + 25 = 92
    55 - 33 = 22 —— 92 + 62 = 154 —— 15 + 53 = 68
    31 - 26 = 5 —— 73 + 38 = 111 —— 94 - 43 = 51
    100 + 15 = 115 —— 72 + 87 = 159 —— 54 + 99 = 153
    64 - 58 = 6 —— 72 - 50 = 22 —— 64 - 51 = 13
    15 - 13 = 2 —— 66 - 51 = 15 —— 57 - 49 = 8
    46 + 33 = 79 —— 76 + 38 = 114 —— 77 - 36 = 41
    16 - 12 = 4 —— 15 - 15 = 0 —— 45 + 14 = 59
    82 + 61 = 143 —— 83 + 82 = 165 —— 57 + 96 = 153
    68 + 69 = 137 —— 38 - 24 = 14 —— 97 + 36 = 133
    31 - 29 = 2 —— 65 - 27 = 38 —— 15 + 64 = 79
    56 - 37 = 19 —— 37 - 13 = 24 —— 20 + 27 = 47
    62 + 67 = 129 —— 28 + 72 = 100 —— 15 - 15 = 0
    43 - 24 = 19 —— 66 + 91 = 157 —— 22 - 15 = 7
    96 + 13 = 109 —— 41 + 47 = 88 —— 53 + 77 = 130
    85 + 33 = 118 —— 25 - 18 = 7 —— 37 - 18 = 19
    82 + 66 = 148 —— 30 - 14 = 16 —— 60 - 27 = 33
    30 + 72 = 102 —— 38 + 16 = 54 —— 74 - 16 = 58
    12 - 12 = 0 —— 89 + 86 = 175 —— 78 + 62 = 140
    80 - 11 = 69 —— 56 + 40 = 96 —— 74 + 68 = 142
    31 + 55 = 86 —— 27 + 87 = 114 —— 17 - 16 = 1
    91 - 53 = 38 —— 36 + 30 = 66 —— 68 + 34 = 102
    54 - 44 = 10 —— 13 - 10 = 3 —— 28 - 22 = 6
    62 + 17 = 79 —— 66 - 26 = 40 —— 13 + 73 = 86
    93 + 60 = 153 —— 57 - 22 = 35 —— 12 + 87 = 99
    60 - 18 = 42 —— 47 - 46 = 1 —— 46 + 27 = 73
    23 + 49 = 72 —— 76 - 64 = 12 —— 19 + 24 = 43
    39 - 39 = 0 —— 36 + 100 = 136 —— 94 - 33 = 61
    95 + 58 = 153 —— 22 - 12 = 10 —— 63 - 18 = 45
    61 + 27 = 88 —— 41 + 45 = 86 —— 18 - 10 = 8
    69 + 63 = 132 —— 23 - 23 = 0 —— 57 + 43 = 100
    20 - 16 = 4 —— 40 - 11 = 29 —— 41 + 56 = 97
    42 + 17 = 59 —— 70 + 93 = 163 —— 71 + 49 = 120
    33 - 19 = 14 —— 88 - 60 = 28 —— 96 - 27 = 69
    46 - 12 = 34 —— 99 - 74 = 25 —— 62 + 28 = 90
    72 + 32 = 104 —— 32 + 85 = 117 —— 51 + 96 = 147
    23 + 57 = 80 —— 62 - 47 = 15 —— 20 - 20 = 0
    70 - 66 = 4 —— 30 - 15 = 15 —— 94 - 20 = 74
    49 - 16 = 33 —— 36 + 83 = 119 —— 97 + 12 = 109
    42 + 13 = 55 —— 38 - 24 = 14 —— 14 - 10 = 4
    91 + 22 = 113 —— 39 - 29 = 10 —— 13 + 22 = 35
    84 + 78 = 162 —— 71 + 24 = 95 —— 23 + 81 = 104
    72 + 35 = 107 —— 50 + 84 = 134 —— 12 + 55 = 67
    53 - 10 = 43 —— 58 - 53 = 5 —— 74 + 17 = 91
    29 - 14 = 15 —— 70 + 52 = 122 —— 55 - 22 = 33
    12 - 12 = 0 —— 50 + 99 = 149 —— 92 + 27 = 119
    50 - 25 = 25 —— 52 + 26 = 78 —— 69 + 30 = 99
    11 - 11 = 0 —— 70 + 43 = 113 —— 15 + 47 = 62
    84 - 32 = 52 —— 49 - 40 = 9 —— 19 + 66 = 85
    33 + 94 = 127 —— 50 - 39 = 11 —— 62 - 48 = 14
    94 + 64 = 158 —— 34 + 71 = 105 —— 15 - 13 = 2
    16 + 56 = 72 —— 22 + 61 = 83 —— 19 - 12 = 7
    23 - 15 = 8 —— 15 - 11 = 4 —— 52 + 19 = 71
    23 + 36 = 59 —— 43 - 42 = 1 —— 29 - 25 = 4
    38 - 25 = 13 —— 56 - 29 = 27 —— 15 - 12 = 3
    51 + 17 = 68 —— 56 + 48 = 104 —— 16 - 10 = 6
    84 + 14 = 98 —— 33 + 30 = 63 —— 47 + 39 = 86
    80 + 53 = 133 —— 40 - 33 = 7 —— 81 - 30 = 51
    48 + 47 = 95 —— 67 + 72 = 139 —— 37 - 13 = 24
    81 - 50 = 31 —— 87 + 65 = 152 —— 95 - 90 = 5
    54 - 38 = 16 —— 75 + 19 = 94 —— 81 - 28 = 53
    20 - 12 = 8 —— 57 - 30 = 27 —— 21 - 18 = 3
    49 + 39 = 88 —— 41 - 21 = 20 —— 20 + 64 = 84
    73 + 30 = 103 —— 20 - 12 = 8 —— 58 + 75 = 133
    17 + 88 = 105 —— 79 + 18 = 97 —— 23 - 22 = 1
    29 - 19 = 10 —— 64 + 82 = 146 —— 52 + 33 = 85
    32 + 95 = 127 —— 64 + 100 = 164 —— 49 + 85 = 134
    49 + 92 = 141 —— 29 - 15 = 14 —— 72 - 65 = 7
    39 + 59 = 98 —— 73 + 44 = 117 —— 73 - 21 = 52
    96 + 78 = 174 —— 78 + 52 = 130 —— 20 - 10 = 10
    80 - 32 = 48 —— 29 + 39 = 68 —— 61 + 98 = 159
    92 - 85 = 7 —— 20 - 16 = 4 —— 45 - 24 = 21
    41 - 19 = 22 —— 50 - 15 = 35 —— 67 - 17 = 50
    59 - 40 = 19 —— 82 + 33 = 115 —— 14 + 60 = 74
    28 - 19 = 9 —— 16 - 13 = 3 —— 15 - 10 = 5
    81 + 93 = 174 —— 18 + 22 = 40 —— 92 + 11 = 103
    18 - 14 = 4 —— 20 - 14 = 6 —— 24 - 22 = 2
    10 - 10 = 0 —— 88 + 76 = 164 —— 80 + 56 = 136
    76 + 43 = 119 —— 56 - 27 = 29 —— 66 + 86 = 152
    45 + 95 = 140 —— 88 - 78 = 10 —— 85 - 10 = 75
    54 + 45 = 99 —— 18 + 77 = 95 —— 67 - 39 = 28
    100 + 90 = 190 —— 63 + 55 = 118 —— 52 + 11 = 63

    转载请注明:http://www.51luopang.cn/a/info/shuxue/2021/0113/12930.html
  • 相关内容
  • 小学教育 | 中学教育 | 作文鉴赏 | 辅导资料 | |网站地图|热门搜索
  • 投稿联系:QQ 547403730【可带品牌、联系方式、网址、超链接】
  • Copyright © 2002-2011 站长QQ:547403730 蜀ICP备17007769号-1
  • 51教育联盟-关注中小学教育资讯,学生考试试题,考试试卷答案
  • 免责声明:本站信息来自互联网,并不带表本站观点!若侵害了您的利益,请联系我们,我们将及时删除!