8/8/2019 BT Mathematical Olympiad 2

1/1

Cu 1 (5) Cho c trng tm . l giao im ca v ng trnngoi tip . Chng minh

Cu 2 (5) Gii phng trnh .Cu 3 (5) Cho . Chng minh

Cu 4(5) Cho tha . Tnh .

Cu 5 (5) Cho dy s sau

Tm .

Cu 6(5) Gii phng trnh nghim nguyn .

Cu 7(5) Cho t din . Chng minh

Cu 8 (5)Cho 4 qun m (2 en, 2 trng) trn bn c nh hnh v.Hi c cch no 2 qun m en chuyn xung ch 2 qun m trng, cn2 qun m trng chuyn xung ch 2 qun m en hay khng? (bit ccqun cchc i theo ng lut cvua)

----------HT----------

TRNG THPT NGUYN THNG HINLP 11 CHUYN TON

CHNH THC

BT MATHEMATICAL OLYMPIAD

LN 2

THI MN TONThi gian lm bi: 1 tun

Ngy thi: 13 thng 11 nm 2010