Question

-5(-1/4m-1/2 n) -2(-m+1/2n)
помогите срочно ​

Answer 1

-5(-1/4m-1/2 n) -2(-m+1/2n)= -5×(-1/4m)+5×1/2n+2m-2×1/2n=5/4m+5/2n+2m-2/2n=1.25m+2.5n+2m-n=3.25m+1.5n

Ответ: 3.25m+1.5n