(4根号2分之1)÷(-根号6)×(3分之1根号12)=

问题描述:

(4根号2分之1)÷(-根号6)×(3分之1根号12)=

(4根号2分之1)÷(-根号6)×(3分之1根号12)=
=4×√2/2÷(-√6)×2√3/3
=2√2÷(-3√2/2)
=-4/3;
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