Question 732508


{{{A * B *C * D = (A * B) *(C* D)}}} is true; if you multiply four numbers, no matter in what order you do it, you can group like {{{(A * B) *(C* D)}}} or {{{(A * D) *(C* B)}}}, or {{{(A * C) *(B* D)}}}, the result will be same