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(1);
(2);
(3);
(4).
(1); (2)(0<a<1);
(3)(0<m<n); (4)(0<x<2);
(5)(x>1); (6)(0<x<1).
(1)()()+()0; (2)-42+∣∣-(2002-)0+;
(3)-()0+(-1)2002 (4)()++3-2;
(5)()2-(2-)-1+;(6)()()-().
(1)(aB-B2)÷; (2)()÷
(3)(1+)÷(1+); (4)()·