☝ — 2 . ✔ , : ➕ 1 ( ); ➕ 1 ( ); ➕ 50 ( , — , ); ➕ 1 ➕ 6-10 ➕ 1-2 , 1 12 ( ) ✔ ( ), 15-20 , , , . . 2- . , .