根号下18除根号下4分之3乘根号下3分之4

学习 时间:2026-04-02 17:03:47 阅读:5901
根号下18除根号下4分之3乘根号下3分之4

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烂漫的学姐

孤独的悟空

2026-04-02 17:03:47

√18=3√2√3/4=√3/2√4/3=2√3/3所以所求=3√2* (2/√3) *(2√3/3)=4√2 另法:先算根号下的,18*4/3 *4/3=32所以所求=√32 =4√2

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  • 笨笨的蜜蜂
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    2026-04-02 17:03:47

    √18=3√2√3/4=√3/2√4/3=2√3/3所以所求=3√2* (2/√3) *(2√3/3)=4√2 另法:先算根号下的,18*4/3 *4/3=32所以所求=√32 =4√2

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