... - 1) k C2 013 "k = 2,3, ,2 013 k ( k - 1) k.C2 013 = ( k - 1) k S = 2 012 .2 013 .( + 1) 7B 1, 0 2 011 1, 0 0,25 2 013 ! k -2 = 2 012 .2 013 .C2 011 "k = 2,3, ,2 013 k ! ( 2 013 - k ) ! 2 011 Vy S = 2 012 .2 013 .( ... 2 012 .2 013 .( C2 011 + C2 011 + C2 011 + L + C2 011 ) Cõu 0,25 0,25 0,25 = 2 012 .2 013 .2 2 011 0,25 Xỏc nh m hm s: y = ( m + m + 1) x + ( m - m + 1) sin x + 2m ng bin trờn Ă 1, 0 o hm y  = ( m + m + 1) + ( m ... PHC K THI TH I HC LN NM HC 2 013 ư2 014 Mụn: Toỏn 12 Khi D chớnh thc ( thi gm 01 trang) Thi gian lm bi: 18 0 phỳt (Khụng k thi gian giao ) HNG DN CHM THI (Vn bn ny gm 05 trang) I) Hng dn chung: 1) ...