3.76*0.25+25.8用简便算法计算
问题描述：
3.76*0.25+25.8用简便算法计算
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简便方法?
答
3.76*0.25+25.8
=（4-0.24）*0.25+25.8
=4*0.25-0.06*4*0.25+25.8
=1-0.06+25.8
=26.74