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, . : 3 2 = .
: 42 : 3 2 = 28, . . 42 28 .
:
= ;
b = ;
= ;
d = ;
= ;
f = ;
g = .
4 . , . . 1 - 4- . . , .
1. 1- 4- . 1 , 2- 3- . , , . . .
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2. , , 3 (. ). 9 . -10 . 9 . 9 . . , , , .
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3. 1- . ( ) , , . . , , .
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4. , . , .
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5. , . , 2- 3- , , 1- 4- .
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6. : 3- 1- , . 4- 1- . , 2- . , , 3- . 2- ., 4 .
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7. . 1 - 2- 3- , . 6. .
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8. , . 3- 2- . 1- 3- , 2- 3- . 2- 4- . 2- , . , 2 . 2 .