Đề HSG Hải Dương 2008
ĐỀ THI HSG HẢI DƯƠNG 2010
... get on the lifeboats Four hours after the accident, another ship, the Carpathia, rescued the survivors — less than a third of those aboard The infamous Titanic enjoyed only two days of sailing ... you? F I’m the opposite 7.1 think we should buy a ladder G Not really I like listening to music Which of these would you like? H What for? Who helped you finish this shirt? I Lan 10 Who did ... larg...
Ngày tải lên: 29/09/2013, 04:10
Đề Thi HSG Hải Dương
... f(t)=et-(e-1)t-1 f’(t)=et-(e-1) f’(t)=0t=ln(e-1) B ng bi n thi n t -∞ ln(e-1) +∞ f’(t) + + f(t) 0 sinx 3,0 1,5 0,25 0,5 T b ng bi n thi n => f(t)=0 t=0;t=1 t G(t)= (et − e + 1)2 − 2et [et ... x = t f(x)=2log2x-x (0;+ ∞ ) 2 f '( x) = −1 = ⇔ x = x ln ln b ng bi n thi n x f’(x) f(x) - 0,5 ln - + +∞ + 0 t b ng bi n thi n => (2) có úng nghi m x=2 x=4 v y v i x∈ {2;4;8} tho mãn 1,0 0,25
Ngày tải lên: 05/05/2015, 10:00
ĐỀ, ĐÁP ÁN THI HSG HẢI DƯƠNG 2011
... cỏc s nguyờn dng x, y, z tha ng thi hai iu kin x y 2011 m = (1) , ú m, n l cỏc s nguyờn tha Ta cú y z 2011 n n > 0, (m, n) = (1) nx my = 2011 ( ny mz ) (2) 2011 l s vụ t v m, n, x, y, z l ... S GIO DC V O TO HI DNG P N V HNG DN CHM THI HC SINH GII TNH MễN TON LP THCS NM HC 2010 2011 + ỏp ỏn gm cú 05 trang + Thớ sinh lm theo cỏch khỏc ỳng cho im thnh ... dng nờn x x ; y y ; z z S...
Ngày tải lên: 25/05/2015, 12:00