规定一种新的运算：对于任意两个有理数a,b,有a+b=ab-a÷b,则式子（-8）+（-2）=（） 规定新运算对于任意两个有理数a,b,有a+b=ab-a\b ...
\u89c4\u5b9a\u4e00\u79cd\u65b0\u7684\u8fd0\u7b97\uff0c\u5bf9\u4e8e\u4efb\u610f\u4e24\u4e2a\u6709\u7406\u6570a,b\uff0c\u6709ab=ab\uff0da\u00f7b\uff0c\u5219\u5f0f\u5b50\uff08-8\uff09\uff08-2\uff09\uff1d \u8981\uff08-8\uff09+\uff08-2\uff09=\uff08-8\uff09\u00d7\uff08-2\uff09-\uff08-8\uff09/\uff08-2\uff09
=16-4
=12
（-8）+（-2）
=（-8）x（-2）+8÷（-2）
=16-4
=12
12
绛旓細瑙ｏ細(-8)鈯(-2)=(-8)x(-2)- (-8)梅(-2)=16-4 =12 濡傝繕涓嶆槑鐧斤紝璇风户缁拷闂傚鏋滀綘璁ゅ彲鎴戠殑鍥炵瓟锛岃鍙婃椂鐐瑰嚮銆愰噰绾充负婊℃剰鍥炵瓟銆戞寜閽 鎵嬫満鎻愰棶鐨勬湅鍙嬪湪瀹㈡埛绔彸涓婅璇勪环鐐广愭弧鎰忋戝嵆鍙
绛旓細瑙勫畾涓绉嶆柊杩愮畻锛氬浜庝换鎰忎袱涓鏈夌悊鏁癮锛宐鏈塧 b=ab-a/b锛屽垯寮忓瓙锛-8锛夛紙-2锛=锛-8锛壝楋紙-2锛-锛-8锛壝凤紙-2锛=16-4 =12锛涙偍濂斤紝寰堥珮鍏翠负鎮ㄨВ绛旓紝skyhunter002涓烘偍绛旂枒瑙ｆ儜 濡傛灉鏈鏈変粈涔堜笉鏄庣櫧鍙互杩介棶锛屽鏋滄弧鎰忚寰楅噰绾 濡傛灉鏈夊叾浠栭棶棰樿閲囩撼鏈鍚庡彟鍙戠偣鍑诲悜鎴戞眰鍔╋紝绛旈涓嶆槗锛岃璋...
绛旓細鍥炵瓟锛(2鈽3)=2-3+1=0 (2鈽3)鈽2=0鈽2=0-2+1=-1
绛旓細鈭2*3=2脳3-1=6-1=5锛屸埓8*锛2*3锛=8*5锛=8脳5-1=40-1=39锛庢晠绛旀涓猴細39锛
绛旓細宸茬煡x銆亂涓烘湁鐞嗘暟锛岀幇瑙勫畾涓绉嶆柊杩愮畻鈥伙紝婊¤冻x鈥粂=xy+1锛庯紙1锛夋眰2鈥4鐨勫硷紱锛2锛夋眰锛1鈥4锛夆伙紙-2锛夌殑鍊硷紱锛3锛浠绘剰閫夋嫨涓や釜鏈夌悊鏁帮紙鑷冲皯鏈変竴涓槸璐熸暟锛夛紝鍒嗗埆濉叆涓嬪垪鈻″拰鈼嬩腑锛屽苟姣旇緝瀹冧滑鐨勮繍绠楃粨鏋滐細鈻♀烩棆鍜屸棆鈥烩枴锛涳紙4锛夋帰绱鈥伙紙b+c锛変笌a鈥籦+a鈥籧鐨勫叧绯伙紝骞剁敤绛夊紡鎶婂畠浠...
绛旓細鏍规嵁杩愮畻椤哄簭鍏堢畻4鈯6锛4鈯6=4+6-1=9锛屽啀绠9鈯5锛9鈯5=9+5-1=13锛岀瓟锛4鈯6鈯5=13锛
绛旓細-9-(9+25-15)=-28
绛旓細锛-3锛夆籟锛-1锛夆5 =锛-3+2锛*2+1鈥5 =锛-1锛夆5 =2-5 =-3
绛旓細(-2)*(-/4)=(-2) (-1/4)-(-1/4)=1/2+1/4=3/4
绛旓細鏂规硶1.锛堣В鏂圭▼锛変护t=x*3锛岄偅涔堬細锛圶*3锛*2=3660鍙寲涓猴細t*2=3660锛屽叾涓璽锛0 鐢瑙勫畾锛a*b=a锛坅+1锛夛紙a+2锛夆︼紙a+b锛1锛夊彲寰楋細t(t+1)=3660 鍗硉²+t-3660=0 鍥犲紡鍒嗚В寰楋細(t-60)(t+61)=0 瑙ｅ緱t=60 锛坱=-61涓嶅悎棰樻剰锛岃垗鍘伙級鎵浠ワ細x*3锛60 閭ｄ箞锛歺(x+1)(x...
