Răspuns :
[tex]a - b = 215[/tex]
[tex]a = 215 + b[/tex]
[tex]b - c = 132[/tex]
[tex] - c = 132 - b \: | \times ( - 1)[/tex]
[tex]c = b - 132[/tex]
[tex]a - c = 215 + b - (b - 132)[/tex]
[tex]a - c = 215 + b - b + 132[/tex]
[tex]a - c = 215 + 132[/tex]
[tex]a - c = 347[/tex]
[tex]a = 215 + b[/tex]
[tex]b - c = 132[/tex]
[tex] - c = 132 - b \: | \times ( - 1)[/tex]
[tex]c = b - 132[/tex]
[tex]a - c = 215 + b - (b - 132)[/tex]
[tex]a - c = 215 + b - b + 132[/tex]
[tex]a - c = 215 + 132[/tex]
[tex]a - c = 347[/tex]
A-B = 215
A = 215 + B
B - C = 132
-C = 132 - B | X ( -1 )
C = B - 132
A - C = 215 + B - ( B - 132 )
A- C= 215 + B - B + 132
A - C = 215 + 132
A - C = 347
A = 215 + B
B - C = 132
-C = 132 - B | X ( -1 )
C = B - 132
A - C = 215 + B - ( B - 132 )
A- C= 215 + B - B + 132
A - C = 215 + 132
A - C = 347