44-9先算什么减什么再算什么减什么等于多少
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
44-9等于35先算括号减括号等于括号在算括号减括号等于括号等于绛旓細54-9鍏堢畻14-9=5锛鍐嶇畻50-5=45銆1銆佽绠54-9鏃讹紝鍑忔暟鐨勪釜浣嶆暟瀛楀皬浜庤鍑忔暟鐨勪釜浣嶆暟瀛楋紝鍥犳鍑忔暟闇瑕佸悜鍗佷綅鍊熶竴锛屽嵆鍑忔暟鍙樹负54=40+15锛2銆佸厛璁＄畻14-9=5锛岀劧鍚鍐嶈绠鍔犳硶绠楀紡锛40+5=45銆3銆佽繖涔熸槸鏁板涓殑鈥滃熷崄娉曗濄
绛旓細鏂规硶涓:45-9 =36 +9-9 =36 鏂规硶浜:45-9 =(45-10)+1 =35+1 =36 鎵浠ワ紝鍙互鍏堣繘琛岃绠椾釜浣嶏紝鍐嶈繘琛岃绠楀崄浣嶏紝绛旀鏄36銆
绛旓細绗竴:45-9鍙互鍏堟妸45鍒嗘垚=35+10 鍏堢畻10-9=1 鍐嶇畻35+1=36 绗簩绉:45-9鍙互鍏堟妸45鍒嗘垚30+15 鍏堢畻(15-9)=6 鍐嶇畻30+6=36
绛旓細4-9/11鑴卞紡璁＄畻濡備笅鍥
绛旓細鍏堢畻涓綅锛4-7锛屼笉澶熷噺瑕佷粠鍗佷綅鍊1锛屽彉鎴14-7=7锛鍐嶇畻鍗佷綅锛4琚熻蛋浜1锛屽彉鎴4-1=3锛涗簬鏄粨鏋滄槸37銆
绛旓細44-6鍏堢畻14-6=8锛鍚庣畻30+8=38銆傛垨鑰 44-6鍏堢畻10-6=4锛屽悗绠34+4=38銆
绛旓細48鍑9鍏堢畻48-8鍐嶇畻40-1銆傚噺娉曟槸鍥涘垯杩愮畻涔嬩竴锛屼粠涓涓暟涓鍑忓幓鍙︿竴涓暟鐨勮繍绠楀彨鍋氬噺娉曪紱宸茬煡涓や釜鍔犳暟鐨勫拰涓庡叾涓竴涓姞鏁帮紝姹傚彟涓涓姞鏁扮殑杩愮畻鍙仛鍑忔硶銆傝〃绀哄噺娉曠殑绗﹀彿鏄-鈥濓紝璇讳綔鍑忓彿銆傚姞娉曡繍绠 鍦ㄦ湁鎷彿鐨勭畻寮忛噷锛岃鍏堢畻锛 灏 鎷彿 锛夐噷闈㈢殑锛屽啀绠楋紙 涓嫭鍙 锛夐噷闈㈢殑锛屾渶鍚庣畻鎷彿澶栭潰鐨...
绛旓細54鍑9绛変簬锛45锛夛紝鍏堢畻锛54锛夊噺锛4锛夌瓑浜庯紙50锛夛紝鍐嶇畻锛50锛夊噺锛5锛夌瓑骞诧紙45锛
绛旓細蹇冪畻鏄細鍏堢畻10-9锛1 45-9锛45-10+1锛35+1锛36
绛旓細46-9鍏堢畻浠涔寰浠涔堝啀绠椾粈涔寰椾粈涔堝啀鎶婁粈涔堝拰浠涔堝悎骞惰捣鏉 46-9鍏堢畻16-9=7 鍐嶇畻30-0=30 鏈鍚30+7=37
