计算题:9.9*7.23+0.723用简便算法请帮帮忙孩子明天交9.9*7.23+0.723
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/08 10:34:42
![计算题:9.9*7.23+0.723用简便算法请帮帮忙孩子明天交9.9*7.23+0.723](/uploads/image/z/760556-20-6.jpg?t=%E8%AE%A1%E7%AE%97%E9%A2%98%EF%BC%9A9.9%2A7.23%2B0.723%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E8%AF%B7%E5%B8%AE%E5%B8%AE%E5%BF%99%E5%AD%A9%E5%AD%90%E6%98%8E%E5%A4%A9%E4%BA%A49.9%2A7.23%2B0.723)
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计算题:9.9*7.23+0.723用简便算法请帮帮忙孩子明天交9.9*7.23+0.723
计算题:9.9*7.23+0.723用简便算法
请帮帮忙孩子明天交
9.9*7.23+0.723
计算题:9.9*7.23+0.723用简便算法请帮帮忙孩子明天交9.9*7.23+0.723
9.9*7.23+0.723
=9.9*7.23+0.1*7.23
=(9.9+0.01)*7.23
=10*7.23
=72.3
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