a-b=463
a:b=6 rest 3 ⇒a=bx6+3
b /_____/
a /_____/____/____/____/____/____/....³../
/...................⁴⁶³......................../
6 parti+3 -1 parte=463
5 parti+3=463
5 parti=463-3=460
o parte=460:5=92;
b=92
a=92x6+3=552+3=555
proba 555-92=463 sau 555:92=6 rest 3