1)(8m+6)-(2n+5)
2)(9a-6)+(11b-3)
3)3y*(5x+11)
4)(7z-1)/(z+3)
а)(8m+6)-(2n+5)
б)(9a-6)+(11b-3)
в)3y*(5x+11)
г)(7z-1):(z+3)
1)(8m+6)-(2n+5)
2)(9a-6)+(11b-3)
3)3y*(5x+11)
4)(7z-1)/(z+3)
а)(8m+6)-(2n+5)
б)(9a-6)+(11b-3)
в)3y*(5x+11)
г)(7z-1):(z+3)