AMC美国数学竞赛题.pdfVIP

AMC8 1--i~~~(-) 1. COllnie rnllltiplies ,I tllalll,l iJV 2 :mJ ;,l~ tiU as Jwr rt1.1S\\t:L How(\(l. she sllUuld il,we ilividcd lbc ;:.:.Iillil\ uy 1. 1u ::,,1 Iii. ,iITid Ulswer. \Vliat. i the (,)f!C(( tlliSwer? (A) 7.5 (B) L:, (C) :\0 (D) 120 (E) 240 1 1\ 1(,-.. }.1 l.)Ullo·Ilr r·;\,·. f(I!(I-:l (,·,)!·}·l T.l.;.\, ...\.: .r ·,t· ,. ,- c t (,I- q;.) ~,() (···.:-·1·1 .. (1· ! t b l .1 , . ~ .) J t· .-..~ .. I,ll. \. ~t \. \),::) t, _l tv_.C} .~I Pay-A-Lot had .t ~U(X-()ij ;-;:1.1c the: roll, :\\ing dav. How much could ~-, v ~ v Khrl have saved au the purchase by \v;litiri::; a cby? (A) $1.00 (B.) $2.00 (C) $2.50 (D) $2.75 (E) $5.00 :3. VVhat is the minirmllll Ili;lllber of sl!,:l!l squares that must be colured black SU that R. line of synlllictly hl~:-; on the di;l.~Olla.J HI} of sqnare ABC D? . . A B D c (A) 1 (B) 2 (C) ;~ (D) 4 (E) 5 4. A square and a triangle] liwe cqllal !wlimeters. The lengths of the three sides of the triangle itlC G.I el\l. 8.2 cm and IJ.? CIllo VVhat is the arca of the sqllarc in square eClltilY}etlrs,) (A) 24 (B) 2:~ (() ;)() (D) 48 (E) 64 ;). Soda is sold in pack of (i L2 and 2,\ ·illl::;. \Vhat is thc: minimum number of p