根号下(9a²分之8b³)(a大于0,b大于等于0 )比较大小:2×根号下3分之5和3×根号下4分之3计算或化简:根号下(c的4次方分之2a²b³)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/01 10:26:32
![根号下(9a²分之8b³)(a大于0,b大于等于0 )比较大小:2×根号下3分之5和3×根号下4分之3计算或化简:根号下(c的4次方分之2a²b³)](/uploads/image/z/1241834-50-4.jpg?t=%E6%A0%B9%E5%8F%B7%E4%B8%8B%EF%BC%889a%26%23178%3B%E5%88%86%E4%B9%8B8b%26%23179%3B%EF%BC%89%EF%BC%88a%E5%A4%A7%E4%BA%8E0%2Cb%E5%A4%A7%E4%BA%8E%E7%AD%89%E4%BA%8E0+%EF%BC%89%E6%AF%94%E8%BE%83%E5%A4%A7%E5%B0%8F%EF%BC%9A2%C3%97%E6%A0%B9%E5%8F%B7%E4%B8%8B3%E5%88%86%E4%B9%8B5%E5%92%8C3%C3%97%E6%A0%B9%E5%8F%B7%E4%B8%8B4%E5%88%86%E4%B9%8B3%E8%AE%A1%E7%AE%97%E6%88%96%E5%8C%96%E7%AE%80%EF%BC%9A%E6%A0%B9%E5%8F%B7%E4%B8%8B%EF%BC%88c%E7%9A%844%E6%AC%A1%E6%96%B9%E5%88%86%E4%B9%8B2a%26%23178%3Bb%26%23179%3B%EF%BC%89)
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根号下(9a²分之8b³)(a大于0,b大于等于0 )比较大小:2×根号下3分之5和3×根号下4分之3计算或化简:根号下(c的4次方分之2a²b³)
根号下(9a²分之8b³)(a大于0,b大于等于0 )
比较大小:2×根号下3分之5和3×根号下4分之3
计算或化简:根号下(c的4次方分之2a²b³)
根号下(9a²分之8b³)(a大于0,b大于等于0 )比较大小:2×根号下3分之5和3×根号下4分之3计算或化简:根号下(c的4次方分之2a²b³)
2×√5/3---﹥4×5/3=20/3=6.667
3×√3/4---﹥9×3/4=27/4=6.75
∴2×根号下3分之5 < 3×根号下4分之3
√(2a²b³/c^4)=ab√﹙2b﹚/c²