Răspuns :
785-479=306 (c)
785-429=356(b)
785-(306+356)=785-662=123(a)
verificarea:
123+
356
306
____
785
785-429=356(b)
785-(306+356)=785-662=123(a)
verificarea:
123+
356
306
____
785
a+b+c=785
a+b=479
b+c=429
c=785-479=
c=306
b=785-429=
b=356
a=785-(306+356)=
a=785-662=
a=123.
Succes!
a+b=479
b+c=429
c=785-479=
c=306
b=785-429=
b=356
a=785-(306+356)=
a=785-662=
a=123.
Succes!