5 4m 2 m 1 2 7 4 1 2m July 8, 2019 16 32 64 128 5m/2 4 5 2 m− 5 4 − 5 3 m 5m2-5m+4 и 4m2-7m+8 5 дм 4 дм 3 дм 2 di