[]
a,bФơb0ǤꡢĤqˤꡢa=qbɽȤabڤȤbaȤ
ޤabܿbaʰȤ
嵭ˤq=0ͤȡbФb0ʤС0(=q)bܿǤꡢb0(=q)Ǥ롣
[]bܿaФơ|a||b|ʤa=0Ǥ롣
[]abܿΤȤa/b(=q)Ǥ롣
ޤ|a||b||a/b|1Ǥ롣
äơa/b=0Ȥʤ롣
[]a1,a2,,anbܿʤСǤդx1,x2,,xnФơa1x1++anxnbܿǤ롣
[]6ڤϡ-6,-3,-2,-1,1,2,3,6Ǥ롣
[]٤Ƥ0ڤ롣6|0100|0ʤɡ
ʤʤСɤnˤĤƤ⡢0=n0ΩĤǤ롣n|n0Ȥʤ롣
[]1Ϥ٤ƤǤ롣
ʤʤСn=n1ΩĤǤ롣
[]m|nm|kע͡m|(n+k)
[]n1,k1ꡢn=mn1,k=mk1ȤʤäƤȤ롣
ξդ碌ȡn+k=m(n1+k1)Ȥʤ롣
ǡn1+k1ʤΤǡm|(n+k)Ωġ