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1. C¸c kh¸I niÖm !"#$"%&'()" *+" Danh_sach,-". ,/",,+ §iem_thi,-"0 ,,.,/"+ Víi c¸c bµi to¸n Víi c¸c bµi to¸n trªn, h·y nªu thao trªn, h·y nªu thao t¸c ®Ó thùc hiÖn c¸c t¸c ®Ó thùc hiÖn c¸c yªu cÇu sau: yªu cÇu sau: (1234,+,5 6789: ; ,/" <+: %*0*= ,, . ,/" < >?: 0,=@,A2">* *B",04,,5 C,,=$!DVÝ dô,=@EF > ,= @ ?-, #? 2 " > * ? 0 ::: $3$ !C? GH,I+J KLM@DNO$HF (#P C,/"Q%%R&&KS+T?U0?0 0UK31<,*KV"20 3",,*W %,,-,X,/"M@ &T?U0?,,* %4,,*Y,,1,$ >,W %4,,$ !Z V,1 $*, ;0*… ;C?Z.<*, M@,W "W6M@DNO$HF *W-, *"),,#,,?[?W C¸c phÐp to¸n * [?+P4,: + - * / * P[?++\7\8788\7 * P[?.,Q']^ ] to¸n h¹ng _2$ !D5"$`,,*0F C,$K,. VÝ dô:[TOAN] , [luong] _aB+PWVÝ dô:0.1 ; 125 _aBX*WVÝ dô: 3 b "“ ” “ ” _aWVÝ dô:&Q"U… matdo:[so_dan]/[dien_tich] VÝ dô: Tien_Thuong: [luong]*0.1[gt]=“"” and [tin]>=8.5 ,W6+P !?$Q,,O++ SUM ; AVG $Z$* MIN $Z@ MAX $Z> COUNT 0+P$Z,$PDFW cI,AV,1$2,,$ !K31 +P 2. T¹o mÉu hái XÐt bµi to¸n ®Æt vÊn ®Ò: Danh_sach,-". ,/",,+W §iem_thi,-"0 ,,.,/"+ d2,I"W,*0;,/"<+: *W%*0*=,/",,.O>?: >,Ee,Z,,.+P,I#M@ C¸c th«ng sè vÝ dô ¸p dông: )K31 DANH_SACHDIEM_THI %,$ !,5$ M@ $ !SBD, hodem, ten, toan, ly, sinh, van, su, anh 14,* $ !KS+T?U0? ,,* $ !ten +T?U0?XKI $ !,I Tong:[ toan]+[ly]+[sinh]+[van]+[su]+[anh] f.,5 %4P CNO$O+ %EV00 D%$O"OO$H'O+OgF %h'SG+i D%$O"OO$H*H+gj"$KF >,h#M@ 1 . *W-, *"),,#,,?[?W C¸c phÐp to¸n * [?+P4,: + - * / * P[?++7 8 78 8 7 * P[?.,Q']^ ] to¸n h¹ng _2$ !D5"$`,,*0F . hiÖn c¸c t¸c ®Ó thùc hiÖn c¸c yªu cÇu sau: yªu cÇu sau: (1234,+,5 6 789 : ; ,/" <+: %*0*= ,, . . dô:&Q"U… matdo:[so_dan]/[dien_tich] VÝ dô: Tien_Thuong: [luong]*0.1[gt]=“"” and [tin]> =8. 5 ,W6+P !?$Q,,O++ SUM ; AVG $Z$* MIN $Z@ MAX $Z> COUNT 0+P$Z,$PDFW cI,AV,1$2,,$
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