来自管火志的问题
【下面各题怎样算简便就怎样算.3.28×4.6+6.72×4.60.25×1.25×0.49.73×2.8-4.73×2.8.12.5×4+3.12÷1.225.2-(7.8-2.6)×1.314.08÷[0.8×(7.93-2.43)].】
下面各题怎样算简便就怎样算.
3.28×4.6+6.72×4.60.25×1.25×0.49.73×2.8-4.73×2.8.12.5×4+3.12÷1.225.2-(7.8-2.6)×1.314.08÷[0.8×(7.93-2.43)].
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2020-04-09 09:51