Автор - RuSiKi

Помогите упражнение 555

Ответ

Автор - selmash21
(8m+6)-(2n+5)=8m+6-2n-5=8m-2n+1
(9a-6)+(11b-3)=9a-6+11b-3=9a+11b-9
3y×(5x+11)=15xy+33y
(7z-1)/(z+3)

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