1.4
鏈夌悊鏁扮殑鍔犳硶锛堜簩锛?/p>
涓�锕掓暀瀛︾洰鏍囷細
鐭ヨ瘑涓庤兘鍔涳細
1.
杩涗竴姝ョ啛缁冩帉鎻℃湁鐞嗘暟鍔犳硶鐨勬硶鍒欙紱
2.
鎺屾彙鏈夌悊鏁板姞娉曠殑杩愮畻寰嬶紝骞惰兘杩愮敤鍔犳硶杩愮畻寰嬬畝鍖栬繍绠椼�?/p>
杩囩▼涓庢柟娉曪細
鍚彂寮曞寮忔暀瀛︼紝鑳藉鐢辩壒娈婂埌涓�鑸�佺敱涓�鑸埌鐗规畩锛屼綋浼氱爺绌舵暟瀛︾殑涓�浜涘熀鏈柟娉曘�?/p>
鎯呮劅銆佹�佸害涓庝环鍊艰锛?/p>
1
锛庡煿鍏诲鐢熺殑鍒嗙被涓庡綊绾宠兘鍔涖�?/p>
2
锛庡己鍖栧鐢熺殑鏁板舰缁撳悎鎬濇兂銆?/p>
3
锛庢彁楂樺鐢熺殑鑷浠ュ強鐞嗚В鑳藉姏锛屾縺鍙戝鐢熷涔犳暟瀛︾殑鍏磋叮銆?/p>
浜岋紟鏁欐潗鍒嗘瀽锛?/p>
鏈妭璇惧湪鍦ㄥ鐢?/p>
宸叉湁鐨勭煡璇嗙粡楠屽熀纭�涔嬩笂锛屽缓鏋勬柊鐭ワ紝涓诲姩鎺㈢储鏈夌悊鏁板姞娉曚氦鎹㈠緥鍜岀粨
鍚堝緥锛屼粠鑰屽紩璧蜂粬浠涔犵殑鍏磋叮锛屾妸浠栦滑琚姩鐨勬帴鍙楀涔犲彉鎴愪竴绉嶄富鍔ㄦ帰
绱㈣幏鍙栫煡璇嗙殑杩?/p>
绋嬨�?/p>
鏁欏閲嶇偣
1.
鏈夌悊鏁板姞娉曠殑杩愮畻寰?/p>
2.
杩愮敤鏈夌悊鏁板姞娉曡В鍐冲疄闄呴棶棰?/p>
2
鏁欏闅剧偣
杩愮敤鍔犳硶杩愮畻寰嬬畝鍖栬繍绠?/p>
涓夛紟鑷富瀛︿範鏂规
璇峰悓瀛︿滑棰勪範鏁欐潗
p22
锝?/p>
p23
鐨勫唴瀹癸紝瀹屾垚涓嬮潰鐨勯棶棰橈細
1.
閫氳繃
闃呰鏁欐潗
p22
鐨勨�滆瀵?/p>
1
锝?/p>
2
鈥?/p>
锛屼綘鐪嬪嚭浜嗕粈涔堬紵
锛匡伎锛匡伎锛匡伎锛匡伎锛匡伎锛匡伎锛匡伎锛匡伎
2.a+b=b+a,
杩欐槸鍔犳硶鐨勶伎锛匡伎锛垮緥銆?/p>
3.
鏈夌悊鏁板姞娉曠粨鍚堝緥鐢ㄥ紡瀛愯〃绀烘槸锛匡伎锛匡伎锛匡伎锛匡伎锛匡伎銆?/p>
4.
浣犱細绠楀悧锛?/p>
锛?/p>
1
锛?/p>
8+
锛?/p>
-9
锛?/p>
+2+(-1)=
锛匡伎
;
锛?/p>
2
锛?/p>
3.47+(-2.7)+(-3.74)+(-2.3)=
锛匡伎
.
鍥涳紟鏁欏鏂规硶
锛?/p>
寮曞瀛︾敓鍙戠幇瑙勫緥锛屽惎鍙戣瀵兼暀瀛︽硶
鏁欏叿
澶氬獟浣?/p>
浜旓箳鏁欏杩囩▼锛?/p>