Решите ))

Решите ))

  • 12 12 32 ответ 152 m ^4
  • 2m(2m+n)-4m/(2m+n):-4m+2m(2m+n)/(4m-n)=(4m+2mn-4m)/(2m+n):
    (-4m+4m+2mn)/(4m-n)=
    2mn/((2m+n)(2m-n)(2m+n)/2mn=(2m-n)/(2m+n)