问题标题:
4.56/(2.25+1.75)*10.4的简便计算!
问题描述:
4.56/(2.25+1.75)*10.4的简便计算!
黄芳益回答:
4.56/(2.25+1.75)*10.4
=4.65/4*10.4
=4.65*(10.4/4)
=4.65*2.6
=12.09
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