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(本小题满分12分)解下列不等式:
(1)-x2+2x->0; (2)9x2-6x+1≥0.
(本小题满分12分)解下列不等式: (1)-x2+2x->0; (2)9x2-6x+1≥0.
解下列不等式
-x2+2x->0;