绗?/p>
1
椤?/p>
灏忓崌鍒濇暟瀛﹀畬鍏ㄥ钩鏂规暟鐭ヨ瘑鐐癸細
瀹屽叏骞虫柟鏁扮壒寰?/p>
灏忓崌鍒濇暟瀛﹁�冭瘯澶嶄範鐭ヨ瘑鐐逛紬澶氾紝瑕佹兂瀛﹀ソ鏁板锛屽鍋?/p>
棰樼洰鏄毦鍏嶇殑锛岀啛鎮夋帉鎻″悇绉嶉鍨嬬殑瑙ｉ鎬濊矾銆備笅闈负澶у
鍒嗕韩灏忓崌鍒濇暟瀛﹀畬鍏ㄥ钩鏂规暟鐭ヨ瘑鐐癸紝甯屾湜瀵瑰ぇ瀹舵湁甯姪锛?/p>
瀹屽叏骞虫柟鏁扮壒寰侊細
1.
鏈綅鏁板瓧鍙兘鏄細
0
銆?/p>
1
銆?/p>
4
銆?/p>
5
銆?/p>
6
銆?/p>
9;
鍙嶄箣涓嶆垚绔嬨�?/p>
2.
闄や互
3
浣?/p>
0
鎴栦綑
1;
鍙嶄箣涓嶆垚绔嬨�?/p>
3.
闄や互
4
浣?/p>
0
鎴栦綑
1;
鍙嶄箣涓嶆垚绔嬨�?/p>
4.
绾︽暟涓暟涓哄鏁?/p>
;
鍙嶄箣鎴愮珛銆?/p>
5.
濂囨暟鐨勫钩鏂圭殑鍗佷綅鏁板瓧涓哄伓鏁?/p>
;
鍙嶄箣涓嶆垚绔嬨�?/p>
6.
濂囨暟骞虫柟涓綅鏁板瓧鏄鏁?/p>
;
鍋舵暟骞虫柟涓綅鏁板瓧鏄伓鏁般�?/p>
7.
涓や釜鐩镐复鏁存暟鐨勫钩鏂逛箣闂翠笉鍙兘鍐嶆湁骞虫柟鏁般�?/p>
骞虫柟宸叕寮忥細
X2-Y2=(X-Y)(X+Y)
瀹屽叏骞虫柟鍜屽叕寮忥細
(X+Y)2=X2+2XY+Y2
瀹屽叏骞虫柟宸叕寮忥細
(X-Y)2=X2-2XY+Y2
缁忓吀渚嬮锛?/p>
渚?/p>
1
銆佷竴涓嚜鐒舵暟鍑忓幓
45
鍙婂姞涓?/p>
44
閮戒粛鏄畬鍏ㄥ钩鏂规暟锛屾眰
姝ゆ暟銆?/p>
瑙ｏ細璁炬鑷劧鏁颁负
x
锛屼緷棰樻剰鍙緱
x-45=m^2................(1)
x+44=n^2................(2)(m,n
涓鸿嚜鐒舵暟
)
(2)-(1)
鍙緱
n^2-m^2=89, (n+m)(n-m)=89