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author | Raphael McSinyx <vn.mcsinyx@gmail.com> | 2016-11-06 11:13:14 +0700 |
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committer | Raphael McSinyx <vn.mcsinyx@gmail.com> | 2016-11-06 11:13:14 +0700 |
commit | 7de121c4b4ef888a0d1990c27144a7f9dd8c5f94 (patch) | |
tree | 2a298c9a957ad490cf8251ab264413f4effa9dce /9/Q-Huế-2014/bai2.pas | |
parent | e4767bb46d1d759f9c863704e3f347d2a0c8c49a (diff) | |
download | cp-7de121c4b4ef888a0d1990c27144a7f9dd8c5f94.tar.gz |
Thêm đề HSG 12 huyện Vĩnh Tường, Vĩnh Phúc
Diffstat (limited to '9/Q-Huế-2014/bai2.pas')
-rw-r--r-- | 9/Q-Huế-2014/bai2.pas | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/9/Q-Huế-2014/bai2.pas b/9/Q-Huế-2014/bai2.pas new file mode 100644 index 0000000..172137d --- /dev/null +++ b/9/Q-Huế-2014/bai2.pas @@ -0,0 +1,35 @@ +var + a, b, c, e, p, k, tmp: real; + +function det(a, b, c, d: real): real; + begin + exit(a * d - b * c) + end; + +begin + read(a, b, c, e, p, k); + + tmp := det(a, b, e, p); + + if tmp <> 0 then + begin + writeln('x = ', (det(c, b, k, p) / tmp):0:6); + writeln('y = ', (det(a, c, e, k) / tmp):0:6); + writeln('Hai đường thẳng cắt nhau.') + end + else if c <> k then + begin + writeln('Phương trình vô nghiệm.'); + writeln('Hai đường thẳng song song.') + end + else + begin + if a = 0 then + writeln('y = ', (c / b):0:6) + else if b = 0 then + writeln('x = ', (c / a):0:6) + else + writeln('x = ', (-b / a):0:6, 'y + ', (c / a):0:6); + writeln('Hai đường thẳng trùng nhau.') + end; +end. |