.7 Дон ажите тождество: 1) (200x*у — 55х3у?): (5х3у?) + 11 = 40xy;
2) 1,1а - (12,1a3b2 - 44a2b) : (11a2b2) = 4;
3) 1,6s+t: (0,04ѕ3t) – 41,22s = -1,22s;
4) 18,47nm4 + 77n'm3): (7,7nm3) - 10 = 1,1пт.​

evazorina1    2   03.11.2020 12:18    0