В дужках 5 6 x 2 3 13 18 July 8, 2019 16 32 64 128 6 3 ⋅ (-2 135) 3. розкрий дужки. a) x - (c + 0 9) = 6) 5(a - 2) = b) 1 2 + (1 3 - 1 7) =
