Viết chương trình nhập 3 số nguyên dương a, b, c bất kỳ. Kiểm tra xem 3 số đó có phải cạnh của tam giác không.

2 câu trả lời

uses crt;
var a,b,c:real;
begin
clrscr;
write('nhap a,b,c bat ky: ');
readln(a,b,c);
if (a+b>c) and (a+c>b) and (b+c>a) then writeln(' la 3 canh cua tam giac')
else writeln('khong la 3 canh cua tam giac');
readln
end.

a=float(input("Nhập vào cạnh a: "))
b=float(input("Nhập vào cạnh b: "))
c=float(input("Nhập vào cạnh c: "))

if (a+b>c) & (b+c>a) & (a+c>b) & (a>0) & (b>0) & (c>0):
    if (a==b)&(b==c):
        print ("\nĐây là tam giác đều")
    elif (a==b)& (a!=c) | (a==c)&(a!=b) | (b==c) & (b!=a):
            print ("\nĐây là tam giác cân")
    elif (a*a==b*b+c*c)|(b*b==a*a+c*c)|(c*c==a*a+b*b):
            print("\nĐây là tam giác vuông")
    else:
        print("\nĐây là tam giác thường")
else:
        print ("\nKhông Tạo Thành Tam Giác")

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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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