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简便计算39+61-39+61
39+61-39+61
人气：499 ℃　时间：2020-04-08 22:46:16
解答
39-39+（61+61）=122简便计算128*64-128*48+128*50-16*128ԭʽ=128*��64-48+50-16�� =128*��64-16+2�� =128*��64-14�� =128*50 =130*50-2*50 =6400
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