, . , , .. , .
, , .
, , , . , , , N ..
: , . . . a : . , , , , . : = {m1, 2, ), ,
= {0, 1}.
: = {b|(b)}. : () b, . , = {n| n N, < 5} : , . P .
, . , . , = {1, 2, 4, 8, 16, 32,...} , 2 = { | i Z, 0}), :
1
(2 ) .
, = {| ()} : , .
, ={ | x3 + 2 + 2x = 0} , , .. {0; -1; -2}.
, , .
, 19- , ( ). , , 2+1 = 0 (, ), ( ), {2,2,3} , , {2,3}, , { } { ,{ }} . . , x2 = 4 {2,2}, x2 = - 4 { } ( ).
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