5.1 | , 1 , 40 / 28 /. , . |
5.2 | , , , , 1.5 , 5 , . |
5.3 | , 3 /, 2 . , . |
5.4 | 7 = A + Bt + Ct3, A = 3 ; B = -1 /; C = 0.1 /3. , , . t = 2 c.. |
5.5 | 50 , 300 /, 100 . : 1) ; 2) 72 /; 3) 72 /? |
5.6 | , 5 /, 60 . . |
5.7 | 10 . , , = 1 . . |
5.8 | . 1 . = 5 . k . |