Bài4:Viết chương trình nhập vào n số, đếm xem có bao nhiêu số bé hơn 10 Ví dụ: N=4 Nhap so thu 1:14 Nhap so thu 2:-5 Nhap so thu 3: 12.5 Nhap so thu 4: 8 Co 2 so be hon 10 Bài5: VCT nhập vào số kw tiêu thụ điện của N hộ từ bàn phím. Tính trung bình số kw tiêu thụ điện của N hộ đó. Ví dụ: Nhap N =3 So kw ho 1:90 So kw ho 2 :75 So kw ho 3: 100 Trung binh so kw tieu thu cua N ho la: 88.3 Mong mọi người giúp đỡ ạ xin cảm ơn nhiều ạ.

2 câu trả lời

Câu trả lời cuối cùng 

`4`

uses crt;

var n,s,d:longint;

a:array[1..1000]

begin

clrscr;

write('n=');

readln(n);

i:=0;

d:=0;

repeat

begin

i:=i+1;

write('nhap so thu ',i,':');

readln(a[i]);

if a[i]<10 then d:=d+1;

end;

until

i>n;

writeln('co ',d,' be hon 10')

`5`

uses crt;
var a:array[1..100]of longint;
n,s,i:longint;
begin
clrscr;
write('nhap so ho ');
readln(n);
i:=0;
s:=0;
repeat
begin
i:=i+1;
write('so kw ho',i,' ');
readln(a[i]);
s:=s+a[i];
end;
until
i>=n;
writeln('so kw trung binh ',s/n:5:1);
readln
end.

Bài 4:

Program baitap;

Uses crt;

Var A:array[1..200] of integer;

      N,i,dem:integer;

Begin

Clrscr;

Write('N='); Readln(N);

dem:=0;

For i:=1 to N do

     Begin

     Write('Nhap so thu ',i,':');

     Readln(A[i]);

     If A[i]<10 then dem:=dem+1;

     End;

Writeln('Co ',dem,' so be hon 10');

Readln

End.

Bài 5:

Program baitap;

Uses crt;

Var A:array[1..200] of real;

      N,i:integer;

      S:real;

Begin

Clrscr;

Write('Nhap N='); Readln(N);

S:=0;

For i:=1 to N do

     Begin

     Write('So kw ho ',i,':');

     Readln(A[i]);

     S:=S+A[i];

     End;

Writeln('Trung binh so kw tieu thu cua N ho la:',S/n:5:1);

Readln

End.

Câu hỏi trong lớp Xem thêm

giup e voi I/ Supply the correct form of the verbs in brackets 1. You (think) ……………………… collecting stamps costs much money? 2. Every year, my mother (give) ……………………… me a nice doll on my birthday. 3. Jenny says she loves collecting pens but she (not/continue) ……………………… this hobby from next year. 4. If you wash your hands more, you (have)……………………. less chance of catching flu. 5. Getting plenty of rest is very good. It (help)…………………. you to avoid depression. 6. Mr. John (be) ……………………… principal of our school since last year. 7. I (see) ……………………… a car accident on this corner yesterday. 8. We like (come)……………………to school by bus, but we hate (stand)………………………. and (wait) …………………… in the rain. 9. ……………………… (you/ ever/ meet) anyone famous? 10. My mother (come) ……………………… to stay with us next weekend. 11. When he lived in Manchester, he (work) ……………………… in a bank. 12. We (be) ……………………… students for four years. 13. We are planting trees around our school now. Our school (be) ……………………… surrounded by a lot of green trees. 14. What ……………………… your father usually ……………………… (do) in the evenings? 15. My sister likes (cook) ……………………… very much. She can cook many good foods. 16. My father says when he's retired, he (go) …………………… back to his village to do the gardening. 17. They want (buy) ……………………… some meat for dinner. 18. Linh is my best friend. We (know) ……………………… each other for 5 years. 19. I enjoy (fish) ……………………… because it is relaxing. 20. How about (go) ……………………… to the movie theatre?

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