Bài soạn So hoc

TÀI LIỆU ÔN TẬP MTBT CẤP TỈNH 2009-2010 PHẦN SỐ HỌC   !"  #$%&& '( ! ) #$%&&(*+$,-./ !0 12 3'( ! ) #$%(43566 7  !8($(+$*(9'$$(:  .;"666666.< !("=(#$6&>$2 !?*@ ! *A7 B5)(7  C-(!8( (D$2 !$.E- "F "=(G !HE$,2 66666.< !I J(K !$(:  .;K !$2 !.L& +7  !8($(+$*(9L*A7 $2 ! ("=(#$6&M>$2 !&$7  N O .E$(: - "F "=(" (DI(+$ PG !$P !2$2 !%*A7 &Q' !$D"=(R*@ !' ! "=($2 !$P.S $ "=($2 !5+$'$*A7 &"=(N.E' ! .S$0 "=($P !*A7 $(+C$T ? +U !8($(+CB& +.+ *A7 P/$$(: $$2 !V(*A7 N.E$0  $T"=(#$*@ !*A7 W'$ !X(!8($(+$*(966666666.< !?$(: J(9$YB'$ !Z  !$TR*A 7 M$2 !("=(#$6&M>'$$2 ! 5)(6 [& !X(.L O .E (D$(: ?- "=(B\ !Z  !(+$PG ! !X(.L*@ !P/$"=(\$#$-2.] *A$P.L Y+($(: $PD & !X(.L!8($(+$*(9$TR*A7 $2 !("=(#$6&M>'$ $2 !$6 [N O .E (D$(: ?- "=(B\ !Z  !(+$PG ! !X( .L*@ !P/$"=(\$#$-2.] *A$P.L ?^+$,-"#_$T2`$PD 2_*($0 $2 B aZ %'$  [3663"$P(9 !X(&$b"9$[ !VZ $P ! c( [% .L"&>5)(.+  [363VZ  .L" (DI Md [&'$ !X(P !Z  ! O "7($(: - "F "=("&.< !(+$ PG ! !X(.L!8(R*A7 $2 !$T"=(*eC&("=(#$&>'$$2 !5)($(: !X(#_.=!8( !Z  !"/.;" (DI?"=(*eC""=( OC $(: L .E.L"7($(+C$0 "=($T,_.] B W'$$(: 666.< !.E!8($(+$*(9$T"=(*eC?c($2 !$(: "=(.E' ! $  Bd3$2 !$.E- "F "=(".< !0 "=(#$c($2 !I d0 Cf ! P LV7 ! 3 P ab = 2` &a b (+$PG ! a b + =  d0 Cf ! Q LV7 !  3MQ cd = 2` &c d (+$PG ! 3 3 c d + =  d0 Cf ! M LV7 !  63M mn = (+$2` &m n   ) #$L6`(+$PG !.L*((V*((MV3 65=_$$#$-2$g (D "'(%366LV7 ! hh $g (D L` abc (+$PG !  abc c ab= + 32$g (D 1  &1 3 &&1  $)=  ( )   3    M   M  1 1 1 1 1 1 1 1  1 1  3$g (D &("  #$L`$)=    i 3 jj 3 6  3 ? B  M x f x x − = + 0  ? Bf a (*+$,-(+$V(V7 !CZ $(!(- &(+$ &a = "$OC CZ @7 $;  (*A"?B  `$O K !% 6366 D = M`$O K !%    ` !.f ]% 3663 Tìm các chữ số tận cùng của các số theo yêu cầu: 3`$O K !%23 2005 `$O K !%2 2009 kZ $0636P$l !_D $ 362 !_D $%  i3  i3  3(+$    366    3  3 a b = + + + + & 22/6i 3  6 366 + J(+$"7( 6 i      n n a a a − + + + K J(+$*+$,-$T$R$g [ ] [ ] 6    & && & &&&& n n a a a − = 23/   M    3 3   b a b a b a b a + + + += −  ∈ m   3    ∈ Y&   3   ∈ Y 3n o  p @ p $ q 1$ r  s  366 3 3   x x x x = + + + + 25/: Cho b a       3  M  + + + + = . & 3MVf !1$)= Cf !$P    366  366  366  366  366 x x = + + + + +