找规律填数:-3,4,-5,8,﹣7,12,(),(),(),······
7个回答
-3,4,-5,8,﹣7,12,(-9),(16),(-11),······
规律:第1,3,5,7.。。。个数都相差-2
第2,4,6,8.。。个数都相差4
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