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[ { "id":"225", "name":"几百几十数乘一位数", "version":"3", "s":"2" },{ "id":"223", "name":"千以内的凑整加法巧算", "version":"3", "s":"2" },{ "id":"221", "name":"20以上两位小数的减法", "version":"3", "s":"2" },{ "id":"220", "name":"20以上两位小数的加法", "version":"3", "s":"2" },{ "id":"214", "name":"20以内两位小数的减法", "version":"3", "s":"2" },{ "id":"211", "name":"20以内两位小数的加法", "version":"3", "s":"2" },{ "id":"209", "name":"乘法加法分配律", "version":"2", "s":"2" },{ "id":"208", "name":"两位数乘一位数", "version":"2", "s":"2" },{ "id":"167", "name":"两位数乘三位数", "version":"2", "s":"2" },{"id":0} ]