Var x1,y1,z1,x2,y2,z2,x3,y3,z3,abx,aby,abz,acx,acy,acz,s,mx,my,mz,c:real;
begin;
readln(x1);
readln(y1);
readln(z1);
readln(x2);
readln(y2);
readln(z2);
readln(x3);
readln(y3);
readln(z3);
abx:=x2-x1;
acx:=x3-x1;
aby:=y2-y1;
acy:=y3-y1;
abz:=z2-z1;
acz:=z3-z1;
mx:=aby*acz-abz*acy;
my:=abz*acx-abx*acz;
mz:=abx*acy-aby*acx;
c:=sqrt(sqr(mx)+sqr(my)+sqr(mz));
s:=0.5*c;
writeln(s);
end.<span>
</span>
<span>7987,35=1111111111001,01011(2)</span>
Begin
writeln(' * ');
writeln(' * * ');
writeln('* *');
writeln(' * * ');
writeln(' * ')
end.
Excel, a не EXELE. Xls/xlsx
Ответ:
1)
20₁₀
45₈
101001₂
65₁₆
24₈ = 4*8⁰ + 2*8¹ = 20₁₀
37₁₀ = 5*8⁰ + 4*8¹ = 45₈
41₁₀ = 1*2⁰ + 0*2¹ + 0*2² + 1*2³ + 0*2⁴ + 1*2⁵ = 101001₂
101₁₀ = 5*16⁰ + 6*16¹ = 65₁₆
2)
100110011₂ = 1*2⁰ + 1*2¹ + 0*2² + 0*2³ + 1*2⁴ + 1*2⁵ + 0*2⁶ + 0*2⁷ + 1*2⁸ = 307₁₀
10001001₂ = 1*2⁰ + 0*2¹ + 0*2² + 1*2³ + 0*2⁴ + 0*2⁵ + 0*2⁶ + 1*2⁷ = 137₁₀
307₁₀ + 137₁₀ = 444₁₀
444₁₀ = 0*2⁰ + 0*2¹ + 1*2² + 1*2³ + 1*2⁴ + 1*2⁵ + 0*2⁶ + 1*2⁷ + 1*2⁸ = 110111100₂
1111111₂ = 1*2⁰ + 1*2¹ + 1*2² + 1*2³ + 1*2⁴ + 1*2⁵ + 1*2⁶ = 127₁₀
100001₂ = 1*2⁰ + 0*2¹ + 0*2² + 0*2³ + 0*2⁴ + 1*2⁵ = 33₁₀
127₁₀ + 33₁₀ = 160₁₀
160₁₀ = 0*2⁰ + 0*2¹ + 0*2² + 0*2³ + 0*2⁴ + 1*2⁵ + 0*2⁶ + 1*2⁷ = 10100000₂
10110001₂ = 1*2⁰ + 0*2¹ + 0*2² + 0*2³ + 1*2⁴ + 1*2⁵ + 0*2⁶ + 1*2⁷ = 177₁₀
1110₂ = 0*2⁰ + 1*2¹ + 1*2² + 1*2³ = 14₁₀
177₁₀ * 14₁₀ = 2478₁₀
2478₁₀ = 0*2⁰ + 1*2¹ + 1*2² + 1*2³ + 0*2⁴ + 1*2⁵ + 0*2⁶ + 1*2⁷ + 1*2⁸ + 0*2⁹ + 0*2¹⁰ + 1*2¹¹ = 100110101110₂
111011₂ = 1*2⁰ + 1*2¹ + 0*2² + 1*2³ + 1*2⁴ + 1*2⁵ = 59₁₀
1101₂ = 1*2⁰ + 0*2¹ + 1*2² + 1*2³ = 13₁₀
59₁₀ * 13₁₀ = 767₁₀
767₁₀ = 1*2⁰ + 1*2¹ + 1*2² + 1*2³ + 1*2⁴ + 1*2⁵ + 1*2⁶ + 1*2⁷ + 0*2⁸ + 1*2⁹ = 1011111111₂
3)
111₂ < 34₈ < 76₁₀ < A2₁₆
111₂ = 1*2⁰ + 1*2¹ + 1*2² = 7₁₀
A2₁₆ = 2*16⁰ + A*16¹ = 162₁₀
34₈ = 4*8⁰ + 3*8¹ = 28₁₀
76₁₀ = = 76₁₀