第1个回答 2011-10-12
我的回答是 结果是—3/8√6
9×√1/32÷（—2/3×√6.75)
=9*1/4√1/2÷(—2/3×√27/4)
=9/8√2÷(—2/3×3/2√3)
=9/8√2÷(—√3)
=—9/8√2÷√3
=—3/8√6
第2个回答 2011-10-11
9×√1/32÷（-2/3×√6.75)
=9*1/8√2÷(-3/2×√27/4)
=9/8√2÷(-3/2×3/2√3)
=-9/8√2÷9/4√3
=-1/2√2÷√3
=-1/6√6
第3个回答 2011-10-02
负的六分之根号六。。。。 楼上的，是二分之三，不是三分之二 = =。
第4个回答 2011-10-12
9×√1/32÷（-2/3×√6.75)
=9*1/4√2÷(-2/3×√27/4)
=9/4√2÷(-2/3×3/4√3)
=9/4√2÷1/2√3
=9/2√2÷√3
=3/2√6
第5个回答 2011-10-12
9×√1/32÷（-2/3×√6.75)
=9*1/4√2÷(-2/3×√27/4)
=9/4√2÷(-2/3×3/4√3)
=9/4√2÷1/2√3
=9/2√2÷√3
=3/2√6