计算下面各题,能简算的要简算.15/2 * 5/9 + 4/7 + 11/5 * 6/5 =
那到底怎么算？
人气：169 ℃ 时间：2019-10-19 01:21:02
解答
15／2×5／9+4／7+11／5×6／5＝25／6+4／7+66／25＝7747／1050
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