37×45×14=37×(45×14)=37×15=335，这道题在计算时运用了．

Question

(3)/(7) ×(4)/(5) ×(1)/(4) =(3)/(7) ×((4)/(5) ×(1)/(4) )=(3)/(7) ×(1)/(5) =(3)/(35) ，这道题在计算时运用了______．

Answer 1

(3)/(7) ×(4)/(5) ×(1)/(4) =(3)/(7) ×((4)/(5) ×(1)/(4) )=(3)/(7) ×(1)/(5) =(3)/(35) ，这道题在计算时运用了乘法结合律简算．
故答案为：乘法结合律．