44一9先算什么再算什么？ 44一9先算什么再算什么
44-9\u5148\u7b97\u4ec0\u4e48\uff1f\u518d\u7b97\u4ec0\u4e48\uff1f44-9\u5148\u7b9740-9=31\uff0c\u518d\u52a04\uff0c\u7b49\u4e8e35\u3002
\u51cf\u6cd5\u662f\u4e00\u79cd\u6570\u5b66\u8fd0\u7b97\uff0c\u8868\u793a\u4ece\u96c6\u5408\u4e2d\u79fb\u9664\u5bf9\u8c61\u7684\u64cd\u4f5c\u3002\u5b83\u7684\u7b26\u53f7\u662f\u8d1f\u53f7(−)\u3002\u51cf\u6cd5\u8868\u793a\u7528\u4e0d\u540c\u7684\u5bf9\u8c61(\u5305\u62ec\u8d1f\u6570\u3001\u5206\u6570\u3001\u65e0\u7406\u6570\u3001\u5411\u91cf\u3001\u5c0f\u6570\u3001\u51fd\u6570\u548c\u77e9\u9635)\u53bb\u9664\u6216\u51cf\u5c11\u7269\u7406\u548c\u62bd\u8c61\u7684\u91cf\u3002
\u51cf\u6cd5\u9075\u5faa\u51e0\u4e2a\u91cd\u8981\u7684\u6a21\u5f0f\u3002\u5b83\u662f\u53cd\u4ea4\u6362\u7684\uff0c\u610f\u5473\u7740\u6539\u53d8\u987a\u5e8f\u6539\u53d8\u4e86\u7b54\u6848\u7684\u7b26\u53f7\u3002\u5b83\u4e0d\u5177\u6709\u7ed3\u5408\u6027\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u4e00\u4e2a\u51cf\u6570\u8d85\u8fc7\u4e24\u4e2a\u6570\u5b57\u65f6\uff0c\u51cf\u6cd5\u7684\u987a\u5e8f\u662f\u91cd\u8981\u7684\u3002\u51cf\u6cd50\u4e0d\u6539\u53d8\u4e00\u4e2a\u6570\u5b57\u3002\u51cf\u6cd5\u4e5f\u9075\u5faa\u4e0e\u52a0\u6cd5\u548c\u4e58\u6cd5\u7b49\u76f8\u5173\u8fd0\u7b97\u7684\u53ef\u9884\u6d4b\u89c4\u5219\u3002
\u56db\u5219\u8fd0\u7b97\u6cd5\u5219
\u540c\u7ea7\u8fd0\u7b97\u65f6\uff0c\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u8ba1\u7b97\uff1b
\u4e24\u7ea7\u8fd0\u7b97\u65f6\uff0c\u5148\u7b97\u4e58\u9664\uff0c\u540e\u7b97\u52a0\u51cf\u3002
\u6709\u62ec\u53f7\u65f6\uff0c\u5148\u7b97\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u518d\u7b97\u62ec\u53f7\u5916\u9762\u7684\uff1b
\u6709\u591a\u5c42\u62ec\u53f7\u65f6\uff0c\u5148\u7b97\u5c0f\u62ec\u53f7\u91cc\u7684\uff0c\u518d\u7b97\u4e2d\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u518d\u7b97\u5927\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u6700\u540e\u7b97\u62ec\u53f7\u5916\u9762\u7684\u3002
\u8981\u662f\u6709\u4e58\u65b9\uff0c\u6700\u5148\u7b97\u4e58\u65b9\u3002
\u5728\u6df7\u5408\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u62ec\u53f7\u5185\u7684\u6570 \uff0c\u62ec\u53f7\u4ece\u5c0f\u5230\u5927\uff0c\u5982\u6709\u4e58\u65b9\u5148\u7b97\u4e58\u65b9\uff0c\u7136\u540e\u4ece\u9ad8\u7ea7\u5230\u4f4e\u7ea7\u3002
\u4ee5\u4e0a\u5185\u5bb9\u53c2\u8003 \u767e\u5ea6\u767e\u79d1\u2014\u51cf\u6cd5
\u5148\u7b9740\u20149=31\uff0c\u518d\u52a04\uff0c\u7b49\u4e8e35
9=10-144-9=44-（10-1）=44-10+1=34+1=35
绛旓細44-9 =44-10+1 =34+1 =35
绛旓細44锛9锛濆厛绠椼14锛9锛5銆戝悗绠銆3锛0锛3銆戝嵆锛44锛9锛35
绛旓細44-9=44-锛10-1锛=44-10+1=34+1=35
绛旓細44-9鍏堢畻40-9=31锛屽啀鍔4锛岀瓑浜35銆傚噺娉曟槸涓绉嶆暟瀛﹁繍绠楋紝琛ㄧず浠庨泦鍚堜腑绉婚櫎瀵硅薄鐨勬搷浣溿傚畠鐨勭鍙锋槸璐熷彿(−)銆傚噺娉曡〃绀虹敤涓嶅悓鐨勫璞(鍖呮嫭璐熸暟銆佸垎鏁般佹棤鐞嗘暟銆佸悜閲忋佸皬鏁般佸嚱鏁板拰鐭╅樀)鍘婚櫎鎴栧噺灏戠墿鐞嗗拰鎶借薄鐨勯噺銆傚噺娉曢伒寰嚑涓噸瑕佺殑妯″紡銆傚畠鏄弽浜ゆ崲鐨勶紝鎰忓懗鐫鏀瑰彉椤哄簭鏀瑰彉浜嗙瓟妗堢殑绗﹀彿銆傚畠涓...
绛旓細鍏堢畻40鈥9=31锛屽啀鍔4锛岀瓑浜35
绛旓細鍙互鍏堢畻40-9=31锛岀劧鍚庣敤31+4=35锛岃繖鏍峰氨鍙互浜嗐
绛旓細44-9绛変簬35銆傛牴鎹煡璇㈢浉鍏冲叕寮淇℃伅鏄剧ず锛44-9鍏堢畻10-9鍐嶇畻34+1锛岄浣嶅姞鍑忔硶涓鑸厛绠椾釜浣嶅啀绠楀崄浣嶏紝鍙互鍏堝熶竴浣嶅氨鏄10-9锛屽啀绠楀崄浣嶏紝34+1锛屾渶鍚庡緱鍑虹粨鏋35銆
绛旓細44-9绛変簬35鍏堢畻鎷彿鍑忔嫭鍙风瓑浜庢嫭鍙峰湪绠楁嫭鍙峰噺鎷彿绛変簬鎷彿绛変簬
绛旓細44鈥9锛35鍏堢畻44鈥4=40鍐嶇畻40鈥5锛35
绛旓細鎶44鍒嗘垚30鍜14 鍏堢畻14-9锛5 鍐嶇畻30+5锛35
