Cho goc' xOy, (I) co^' dinh. nam` be^n trong goc'. Tim` vi. tri' die^m? M tre^n (I) sao cho to^ng?( 2MH+3MK) Max,min
(MH Ox, MK Oy)
bai` hay
Started By quan van truong 93, 05-01-2008 - 11:33
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