来自张思美的问题
一年级数学题
12-5= 11-8= 8+3= 12-6= 14-9= 20-8= 16-8= 14+6= 8+4= 11-0=
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2016-05-19 06:18
一年级数学题
12-5= 11-8= 8+3= 12-6= 14-9= 20-8= 16-8= 14+6= 8+4= 11-0=
7, 3, 11, 6, 5 12,8,20,12,11