Упростите выражение (3/8x)*(-16/27y)*1(целая)2/7

Question

Упростите выражение (3/8x)*(-16/27y)*1(целая)2/7

Answer 1

1) 3/8х * (-16/27у) = -2/9ху
2) -2/9ху * 1 2/7 = -2/9ху * 9/7 = -2/7ху

Comments

* - [2xy]/7

Answer 2

([3]/(8) x) * ( - [16]/(27)y ) * ( 1 2/7) = ( - [3x]/8 - [16y]/27 ) * ( 1 2/7) = ( - [2xy]/9 ) * 9/7 = - [2xy]/7