15(X - 13) + 4(X + 6) = 34(x + 16) - 2(x - 2) =
28(2 + x) + x(6 + 14) =
34(24 + 2) + 3(x - 4) =
25(4+x)-2(x+14)=

УмныйАутист    2   20.12.2021 06:24    0