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计算题-口算和估算 适中0.65 引用1 组卷69
我是计算小能手。
                                                                     
                                                                      
                                                                     
                                                                     
                                                                     
19-20一年级下·重庆永川·期中
知识点:十几减7、6的退位减法十几减5~2的退位减法整十数加、减一位数两位数与整十数的减法口算 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!