.
3 , . , :
43 1,5 (6 . ), .
3 :
43 1,5 (6 . 3 .) = 43 1,5 3 = 43 4,5 = 38,5 .
: 3 38,5 .
, , , 8 . :
43 + 0,5 ( 6 .), .
8 :
43 + 0,5 (8. 6 .) = 43 + 0,5 2 = 43 + 1 = 44 .
: 8 44 .
:
1.
5 . 3300 , 54 .
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3 . , , .
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1 10 ,
2 :
10 + 2 n, n - .
3 :
10 + 2 3 = 10 + 6 = 16
: 3 16 .
.
3 , 4 . , :
100 8 (4 n), n - .
3 :
100 8 (4 3 ) = 100 8 1 = 100 8 = 92
: 3 92 .
.
3 , 10 . , :
63 1,5 (10 n), n - .
3 :
63 1,5 (10 3 ) = 63 1,5 7 = 63 10,5 = 52,5
: 52,5 .
.
3 , 5 . , :
50 1 (5 n), n - .
3 :
50 1 (5 3 ) = 50 1 2 = 50 2 = 48
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: 48 .
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12 . , , .
.
10 , 4 :
30 + 4 (n 10 ), n - .
12 :
30 + 4 (12 10 ) = 30 + 4 2 = 30 + 8 = 38
: 12 38 .
.
4 ,
6 :
100 + 6 (n - 4 ), n - .
12 :
100 + 6 (12 - 4 ) =100 + 6 8 = 100 + 48 = 148
: 12 148 .
.
10 , :
63 + 3 (n 10 ), n - .
12 :
63 + 3 (12 10 ) = 63 + 3 2 = 63 + 6 = 69
: 12 69 .