閫氬垎
鏍规嵁鍒嗘暟鐨勫熀鏈�ц川锛屾妸鍑犱釜寮傚垎姣嶅垎鏁板寲鎴愪笌鍘熸潵鐩哥瓑浣嗗垎姣嶇浉鍚岀殑鍒?/p>
鏁帮紝鍙仛閫氬垎
鏂规硶鏄細
鍏堟眰鍑轰袱涓垎鏁板垎姣嶇殑鏈�灏忓叕鍊嶆暟锛?/p>
鍐嶆牴鎹垎鏁扮殑鍩烘湰鎬ц川鎶婁袱涓垎鏁?/p>
鍒嗗埆鍖栨垚浠ヨ繖涓渶灏忓叕鍊嶆暟涓哄垎姣嶇殑鍒嗘暟鍗冲彲
渚嬪锛氬锛氭妸
3/4
鍜?/p>
5/6
閫氬垎锛氬厛姹傚嚭
4
鍜?/p>
6
鐨勬渶灏忓叕鍊嶆暟
12
锛屽啀鎶?/p>
3/4
鍜?/p>
5/6
鍖栨垚
9/12
鍜?/p>
10/12
灏辫浜嗐�?/p>
姹傦細
10
7
11
9
飥?/p>
=
3
5
5
6
飥?/p>
=
7
2
13
3
飥?/p>
=
涔樻硶鍒嗛厤寰?/p>
涔樻硶鍒嗛厤寰?/p>
涓や釜鏁扮浉鍔?/p>
(
鎴栫浉鍑?/p>
)
鍐嶄箻鍙︿竴涓暟
,
绛変簬鎶婅繖涓暟鍒嗗埆鍚屼袱涓姞鏁?/p>
锛堝噺鏁帮級
鐩镐箻
,
鍐嶆妸涓や釜绉浉鍔狅紙鐩稿噺锛?/p>
,
寰楁暟涓嶅彉銆?/p>
鐢ㄥ瓧姣嶈〃绀猴細
锛?/p>
a+b
锛?/p>
x c=axc+bxc
杩樻湁涓�绉嶈〃绀烘硶锛?/p>
a(b+c)=ab+ac
渚嬪锛?/p>
25脳404
=25脳(400锛?/p>
4)
=25脳40
0
锛?5脳4