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Nguyn Quc Tun(0905671232)-Tng biờn ca Website: Xuctu.com Trang LI NểI U Vi 21 chuyờn thng xuyờn gp nhng k thi tuyn chn hc sinh gii lp trờn ton quc Chỳng tụi ó chc lc li v h thng thnh mt quyn sỏch vi y nhng phng phỏp gii nhng loi toỏn ny Do ú, quyn sỏch m cỏc bn ang cm trờn tay s giỳp cho bn c v c bit l nhng bn hc sinh khỏ gii nõng cao nhng k nng v kin thc toỏn hc chng trỡnh toỏn trung hc c s Mc ớch ca chỳng tụi vit quyn sỏch ny l giỳp cho bn c tinh thn t hc Nờn nú c trỡnh by thnh nhng mc cng nh nhng dng toỏn c trng Khụng nhng vy, nú c trỡnh by khỏ p mt cho cỏc em hc sinh To thnh nhng im nhn t hc c bit nhng hc sinh hc nhng loi toỏn v dng toỏn l so vi chng trỡnh hc trung hc c s Cng quyn sỏch ny, chỳng tụi ó ch ng gii thiu n bn c nhng phng phỏp v nhng cỏch gii mang tớnh tru tng mt s dng toỏn Nhng nú m bo c h thng ni dung v phự hp vi cỏc em hc sinh Cú th nhng bi toỏn v s hc v nhng dng toỏn v phộp ly tha cng mang hỡnh búng ca nhng kin thc m tt c chỳng ta u hc chng trỡnh toỏn tip theo Tuy 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