С(sh)W\㶨ɿY(ji)
С(sh)W\㶨ɿY(ji)
1. ӷQɣ
ɂ(sh)QӔ(sh)λãĺͲ׃a+b=b+a
2. ӷY(ji)ɣ
(sh)Ȱǰɂ(sh)ټϵ(sh);ȰѺɂ(sh)ٺ͵һ(sh)ĺͲ׃(a+b)+c=a+(b+c)
3. ˷Qɣ
ɂ(sh)Q(sh)λķe׃ab=ba
4. ˷Y(ji)ɣ
(sh)Ȱǰɂ(sh)ٳԵ(sh);ȰѺɂ(sh)ˣٺ͵һ(sh)ķe׃(ab)c=a(bc)
5. ˷ɣ
ɂ(sh)ĺcһ(sh)уɂӔ(sh)քec@(sh)ٰуɂeӣ(a+b)c=ac+bc
6. p|(zh)
һ(sh)Bm(x)pȥׂ(sh)ԏ@(sh)pȥМp(sh)ĺ׃a-b-c=a-(b+c)
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