题目表述不是很明晰,似是要求化简:-(4/3)√8 /[2√8*(1/3)√6];(三分之四、根号8…);
-(4/3)√8 /[2√8*(1/3√6]=-(4/3)√8 /[4√2*(1/3)√6]=-(4/3)√8 /[(4/3)√12]=-√(8/12)=-2√3/3;
题目表述不是很明晰,似是要求化简:-(4/3)√8 /[2√8*(1/3)√6];(三分之四、根号8…);
-(4/3)√8 /[2√8*(1/3√6]=-(4/3)√8 /[4√2*(1/3)√6]=-(4/3)√8 /[(4/3)√12]=-√(8/12)=-2√3/3;