广告
  • 一年级心算两位数加法速算技巧
  • 发布时间:2021-01-13 00:09 | 作者:admin | 来源:未知 | 浏览:
  • 广告

  • 52 - 29 = 23 —— 10 - 10 = 0 —— 82 + 55 = 137
    80 - 25 = 55 —— 38 - 29 = 9 —— 99 - 37 = 62
    35 - 27 = 8 —— 32 + 48 = 80 —— 12 + 36 = 48
    93 - 91 = 2 —— 81 + 37 = 118 —— 23 - 14 = 9
    78 + 58 = 136 —— 11 + 21 = 32 —— 58 - 18 = 40
    54 - 25 = 29 —— 77 + 60 = 137 —— 96 - 26 = 70
    23 + 94 = 117 —— 56 + 14 = 70 —— 59 - 55 = 4
    16 - 15 = 1 —— 24 - 23 = 1 —— 43 + 80 = 123
    94 - 44 = 50 —— 15 + 87 = 102 —— 11 - 11 = 0
    26 + 58 = 84 —— 31 + 31 = 62 —— 45 - 45 = 0
    32 + 54 = 86 —— 36 + 63 = 99 —— 99 - 69 = 30
    87 - 80 = 7 —— 21 + 95 = 116 —— 86 + 84 = 170
    35 + 58 = 93 —— 19 - 13 = 6 —— 97 - 55 = 42
    74 + 67 = 141 —— 27 - 11 = 16 —— 98 + 69 = 167
    27 + 94 = 121 —— 43 + 51 = 94 —— 81 - 79 = 2
    87 - 53 = 34 —— 85 - 34 = 51 —— 83 + 10 = 93
    82 - 29 = 53 —— 87 + 29 = 116 —— 43 + 75 = 118
    52 - 50 = 2 —— 57 - 48 = 9 —— 69 + 66 = 135
    75 - 32 = 43 —— 24 - 17 = 7 —— 93 + 32 = 125
    35 - 25 = 10 —— 39 - 12 = 27 —— 48 + 23 = 71
    28 - 27 = 1 —— 54 + 40 = 94 —— 39 + 81 = 120
    43 - 41 = 2 —— 50 - 18 = 32 —— 45 + 57 = 102
    37 + 96 = 133 —— 97 + 84 = 181 —— 64 - 21 = 43
    70 - 19 = 51 —— 43 - 21 = 22 —— 89 - 51 = 38
    62 + 35 = 97 —— 98 - 36 = 62 —— 96 - 53 = 43
    86 - 34 = 52 —— 19 - 13 = 6 —— 12 - 10 = 2
    20 + 66 = 86 —— 34 - 16 = 18 —— 16 + 44 = 60
    26 - 25 = 1 —— 93 + 86 = 179 —— 39 + 53 = 92
    72 - 18 = 54 —— 35 - 27 = 8 —— 15 - 12 = 3
    78 + 22 = 100 —— 77 + 69 = 146 —— 24 - 24 = 0
    57 + 16 = 73 —— 92 - 75 = 17 —— 89 + 56 = 145
    46 - 29 = 17 —— 53 + 76 = 129 —— 56 - 55 = 1
    48 + 41 = 89 —— 14 + 55 = 69 —— 40 + 55 = 95
    42 - 11 = 31 —— 89 + 58 = 147 —— 32 + 65 = 97
    30 + 97 = 127 —— 95 - 42 = 53 —— 19 + 75 = 94
    13 - 12 = 1 —— 27 + 89 = 116 —— 11 + 29 = 40
    90 + 33 = 123 —— 90 + 57 = 147 —— 46 - 11 = 35
    70 + 60 = 130 —— 92 + 95 = 187 —— 65 - 48 = 17
    47 + 43 = 90 —— 59 - 53 = 6 —— 87 + 78 = 165
    78 - 49 = 29 —— 12 + 30 = 42 —— 59 - 42 = 17
    44 + 17 = 61 —— 65 - 14 = 51 —— 12 - 11 = 1
    51 + 28 = 79 —— 25 - 16 = 9 —— 90 + 37 = 127
    45 + 48 = 93 —— 40 - 16 = 24 —— 31 + 63 = 94
    92 - 85 = 7 —— 11 - 10 = 1 —— 64 + 99 = 163
    66 - 42 = 24 —— 13 + 100 = 113 —— 59 - 16 = 43
    81 + 64 = 145 —— 85 - 39 = 46 —— 84 + 65 = 149
    96 + 63 = 159 —— 27 - 12 = 15 —— 93 - 19 = 74
    61 - 57 = 4 —— 64 - 38 = 26 —— 85 + 82 = 167
    22 + 57 = 79 —— 85 - 38 = 47 —— 98 + 22 = 120
    76 - 63 = 13 —— 73 - 46 = 27 —— 46 + 88 = 134
    32 - 14 = 18 —— 20 - 19 = 1 —— 24 - 10 = 14
    75 + 43 = 118 —— 36 - 29 = 7 —— 16 - 15 = 1
    72 + 100 = 172 —— 31 - 26 = 5 —— 24 - 17 = 7
    51 + 89 = 140 —— 97 - 79 = 18 —— 36 + 15 = 51
    66 - 27 = 39 —— 19 - 16 = 3 —— 62 - 60 = 2
    75 - 51 = 24 —— 71 - 54 = 17 —— 41 - 20 = 21
    87 + 70 = 157 —— 20 - 19 = 1 —— 13 + 92 = 105
    69 + 93 = 162 —— 93 + 22 = 115 —— 91 - 32 = 59
    25 + 98 = 123 —— 90 + 58 = 148 —— 59 - 35 = 24
    88 - 73 = 15 —— 52 + 95 = 147 —— 12 + 31 = 43
    84 - 78 = 6 —— 74 + 55 = 129 —— 84 - 18 = 66
    76 - 15 = 61 —— 10 - 10 = 0 —— 53 - 46 = 7
    69 - 64 = 5 —— 76 - 74 = 2 —— 76 + 79 = 155
    47 + 80 = 127 —— 27 - 16 = 11 —— 30 + 29 = 59
    36 - 31 = 5 —— 35 - 21 = 14 —— 81 + 13 = 94
    45 + 63 = 108 —— 62 - 42 = 20 —— 70 + 26 = 96
    44 + 96 = 140 —— 67 - 36 = 31 —— 22 + 82 = 104
    88 - 16 = 72 —— 26 + 50 = 76 —— 70 + 30 = 100
    28 - 11 = 17 —— 23 - 11 = 12 —— 54 + 51 = 105
    88 - 12 = 76 —— 46 + 14 = 60 —— 68 + 45 = 113
    55 - 45 = 10 —— 19 - 12 = 7 —— 23 + 40 = 63
    15 + 98 = 113 —— 83 + 85 = 168 —— 87 + 77 = 164
    79 - 13 = 66 —— 83 + 59 = 142 —— 34 + 83 = 117
    35 - 11 = 24 —— 69 - 36 = 33 —— 90 + 17 = 107
    78 + 80 = 158 —— 92 + 81 = 173 —— 16 + 39 = 55
    70 - 38 = 32 —— 39 + 23 = 62 —— 96 - 85 = 11
    93 - 43 = 50 —— 22 + 16 = 38 —— 16 - 12 = 4
    13 - 10 = 3 —— 52 - 28 = 24 —— 15 - 13 = 2
    47 - 27 = 20 —— 76 - 36 = 40 —— 96 - 78 = 18
    45 + 85 = 130 —— 90 + 91 = 181 —— 26 + 26 = 52
    38 + 25 = 63 —— 25 + 96 = 121 —— 94 + 42 = 136
    88 + 17 = 105 —— 92 + 13 = 105 —— 94 + 34 = 128
    46 - 32 = 14 —— 44 - 31 = 13 —— 30 - 26 = 4
    51 + 87 = 138 —— 73 - 39 = 34 —— 44 + 13 = 57
    29 + 71 = 100 —— 95 + 81 = 176 —— 50 - 13 = 37
    88 + 75 = 163 —— 96 + 68 = 164 —— 54 - 19 = 35
    77 + 31 = 108 —— 23 + 38 = 61 —— 88 - 88 = 0
    33 - 25 = 8 —— 28 + 60 = 88 —— 62 + 57 = 119
    37 + 18 = 55 —— 59 + 33 = 92 —— 55 - 26 = 29
    34 + 29 = 63 —— 60 - 37 = 23 —— 15 - 15 = 0
    30 + 81 = 111 —— 19 + 81 = 100 —— 24 - 13 = 11
    91 - 59 = 32 —— 81 + 68 = 149 —— 89 - 39 = 50
    33 + 75 = 108 —— 60 + 31 = 91 —— 55 - 23 = 32
    86 - 32 = 54 —— 40 + 80 = 120 —— 96 - 17 = 79
    57 + 43 = 100 —— 32 + 20 = 52 —— 59 + 71 = 130
    69 + 47 = 116 —— 23 + 16 = 39 —— 39 + 95 = 134
    57 + 13 = 70 —— 61 - 53 = 8 —— 78 - 30 = 48
    29 + 12 = 41 —— 14 + 44 = 58 —— 48 + 76 = 124
    26 - 22 = 4 —— 44 - 40 = 4 —— 70 + 18 = 88
    31 - 16 = 15 —— 78 - 25 = 53 —— 30 + 25 = 55

    转载请注明:http://www.51luopang.cn/a/info/shuxue/2021/0113/12931.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!