  B à i 1    !  " #$ %&'  %()  *  #  &+,  %-    ."  ( **#  )/0/12 03  *%2 4*5655  *32 3 7+( **2 8*%39:);)7)<04))01=>2 8*%39:??????????????????????????????????????????????????????????????:>2 8*%39@  3.  +A@>2  *3+9>2 8*%39@  3.  *A@>2*3+96>2 AB62 A9C6>B 2 8*%39@;3  %.%=5 >2 8*%39@.    .%@5 >2 D3+2 B à i 2  6E  F-  "&%*G()  *#&+,%-."( **#  )DH2 03*%2 4*  *5+%5*32 3 **2 8*%39@);)7)<  04))DH@>2 8*%39@??????????????????????????????????????????????????????@>2 8*%39@  6F  DA@>2*3+9*>2 +%AB*B*2 A BB*2 8*%39@;3  %    %*  @5+% >2 8*%39@.    %*  @5 >2 D3+2 7+( B à i 3  Tính tam giácIJ  6 K5656L%F& (MN#  %*O3#%N P$ +6 ! Q  FR5  S.  FR  %&   *  #  &  @ M  6   .  #% %# @(T ! 5%&+,%-5."%#E  *#  &( **#  1U)12 03*%2 4* 56555*32 3 **2 8*%39:1)H11U  )1=>2 8*%39@?????????????????????????????????@>2 8*%39@  A@>2*3+9>2 8*%3  9@6  A@>2*3+96>2 8*%39@  A@>2*3+9>2 )V  99C6>W>+996C>W>+99C>W6>  %3 3 7 3 XY*.9Z[\\]^[^_>   7+ A9 C6C >` 2 Aa *%9B 9? >B9 ? 6>B9 ? >>2 8*% 39@ .    %# @ 5 B ^ >  2 8*% 39@ ;3 %  %#   @5^ >2 *  XY*.9Z[\\]^[^_> 7+( 8*%395=5:5  65=5:5  5  :  F  6.  %#  @>2 D3+2 B à i 44S%Tb  %*&   Tb  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Writeln('C(',n,',',k,') = ',c(n,k):6:0); Readln; End Bài 29: Lập tam giác PASCAL, bằng Cn k(dùng chương trình con) n Program TAM_GIAC _PASCAL; Uses Crt; Var i,j,n,k:integer; Trang 12 Function gt(n:integer):longint; Var kq,i:integer; Begin kq:=1; For i:=1 to n do kq:=kq*i; gt:=kq; End; Function C(k,n:integer):real; Begin C:=gt(n)/(gt(k)*gt(n-k)); End; Begin Clrscr; Writeln('VIET TAM GIAC PASCAL: '); Writeln(' ... Writeln(td:6, tn:12, tg:15); Readln; End Trang 9 Bài 23: Tạo bảng số dạng sau: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Program BANG_SO; Uses crt; Var i,j,n:integer; Begin Clrscr; Writeln(' TAO BANG SO TU 0-99'); Writeln(' -'); For i:=0 to 99 do Begin If (i mod 10 = 0) then Writeln; Write(i:3) End; Readln; End Bài 24: Tạo hình a) * ** *** **** ***** b) *****... readln(n); For i:=0 to n do Begin For j:=0 to i do Write(C(j,i):3:0); Writeln; End; Readln; End Bài 30: Viết các chương trình con tính diện tích tam giác, tròn, vuông, chữ nhật trong một chương trình Sau đó hỏi chọn một trong các phương án tính diện tích bằng cách chọn trong bảng chọn lệnh sau: 0 Không làm gì hết và trở về màn hình soạn thảo 1 Tính diện tích hình vuông 2 Tính diện tích hình tròn 3 Tính... Begin W riteln('Cac so nguyen to . 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