, . |
, .
(): 34/36 (38/40) 42/44
(): 40/42 (44/46) 48/50
:450 (500) 550 . 100 (50% , 30% , 20% ; 125 /50 ); 3,5 4; 22 .
.
, 4: 6 + 1. 1. , , . 1 1–3- , 2- + 3- .
, 4: 4 + 1. , , 2. , , . 1 1–5- .
, 3,5. 1- : 2 . ., 1 . / (= 1 . /, . / ), 1 . / (= 1 . /, . / . ), 1 . . . .
: * 2 . , , , * .
.
: 25 . 13 . = 10 x 10 ;
: 25 . = 10 , 5 . = 5 .
! .
. 91 (97) 103 . . + 1 . . .
2- 12 x 3 . = 1/2 = 21 (22) 23 .
38,5 = 50 (39 = 51 ) 40 = 52 / 15 (16) 17 .
9,5 = 12 .
, .
, , 43 . . . 20 (20,5) 21,5 3 = 1/2 2- 11 x 3 . = 1/2 .
38 = 50 (39 = 51 ) 40 = 52 / .
: , . .
, 58 (62) 66 . / , 1 . .
, 1- , , 10 . = 48 (52) 56 . 11 .
. 1 . /. , 6 . /, 5 . / = 329 (353) 377 .
2–5- 2 . 2–5- 2, 1- . / . / 1- . , . 20 , 10 . ., 1 . . , 1 . . 14 . / . 1 . . .
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