定义新运算:对于任意实数a、b,都有a※b=a 2 -b,例如3※2=3 2 -2=7,那么2※1= 新定义运算的主要方法是什么我总是算不好?如果可以的话,请再附...

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3

  • 瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b,閮芥湁a鈯昩=a(a-b)+1,绛夊紡鍙宠竟鏄氬父鐨勫姞娉...
    绛旓細锛1锛11锛2锛墄锛烇紞1銆傛暟杞磋〃绀哄鍥炬墍绀猴細 鍒嗘瀽锛氾紙1锛夋寜鐓瀹氫箟鏂拌繍绠梐鈯b=a锛坅-b锛+1锛屾眰瑙e嵆鍙傦紙2锛夊厛鎸夌収瀹氫箟鏂拌繍绠梐鈯昩=a锛坅-b锛+1锛屽緱鍑3鈯晉锛屽啀浠ゅ叾灏忎簬13锛屽緱鍒颁竴鍏冧竴娆′笉绛夊紡锛岃В涓嶇瓑寮忔眰鍑簒鐨勫彇鍊艰寖鍥达紝鍗冲彲鍦ㄦ暟杞翠笂琛ㄧず銆備笉绛夊紡鐨勮В闆嗗湪鏁拌酱涓婅〃绀虹殑鏂规硶锛氾紴锛屸墺鍚戝彸鐢...
  • 瀹氫箟鏂拌繍绠 瀵逛簬浠绘剰瀹炴暟a,b
    绛旓細銆1銆戞眰銆-2銆戔姇3鐨勫 鍘熷紡=-2锛-2-3锛+1=-2x锛-5锛+1=10+1=11锛涖2銆戣嫢3鈯晉鐨勫煎皬浜13锛屾眰x鐨勫彇鍊艰寖鍥淬3鈯晉=3锛3-X锛+1=9-3X+1=10-3X锛10-3X<13 -3x<3 鍗筹細x>-1
  • 瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b閮芥湁a鈻砨=ab-a-b+1,绛夊紡鍙宠竟鏄氬父鐨勫姞娉...
    绛旓細鈭礱鈻砨=ab-a-b+1鈭3鈻硏=3x-3-x+1=2x-2锛屾牴鎹鎰忓緱锛2x?2锛52x?2锛9锛岃В寰楋細72锛渪锛112锛
  • 瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b(a鈮0)閮芥湁a*b=ba-a+b,绛夊紡鍙宠竟鏄氬父鐨勫姞...
    绛旓細锛1锛夋牴鎹鎰忓緱锛4*5=4+5=54-4+5=94锛涳紙2锛夋牴鎹鎰忓緱锛歺+2x-x+锛坸+2锛=5锛屽寲绠寰楋細x+2x=3锛屾柟绋嬩袱杈归兘涔樹互x锛屽緱x+2=3x锛岃В寰楋細x=1锛岀粡妫楠寈=1鏄師鏂圭▼鐨勮В锛
  • 鐢ㄢ 鈥濄佲 鈥瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b,閮芥湁a b=a鍜宎 b=b,渚嬪3...
    绛旓細鏍规嵁棰樻剰锛屽厛绠楁嫭鍙烽噷鐨勶紝锛2010 2009锛 锛2007 2008锛=2010 2008=2010锛庢晠閫塂锛
  • 鐢ㄢ溾濄佲溾瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b,閮芥湁ab=a鍜宎b=b,渚嬪32=3...
    绛旓細鏍规嵁棰樻剰锛屽厛绠楁嫭鍙烽噷鐨勶紝锛20102009锛夛紙20072008锛=20102008=2010锛庢晠閫塂锛
  • 鐢ㄢ溾濄佲溾瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b,閮芥湁ab=a鍜宎b=b,渚嬪32=3...
    绛旓細鏍规嵁棰樻剰鍙煡锛氾紙20062005锛夛紙20042003锛=20062003=2006锛庢晠绛旀涓猴細2006锛
  • 鐢ㄢ溾烩瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a銆乥,閮芥湁a鈥籦=2a 2 +b.渚嬪3鈥4=2...
    绛旓細鐢遍鎰忓緱锛氾紙-5锛夆2=2脳锛-5锛 2 +2=52锛庢晠绛旀涓猴細52锛
  • 鐢ㄢ溾烩瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b,閮芥湁a鈥籦=b 2 +1.渚嬪,7鈥4=4...
    绛旓細渚濊鍒欏彲鐭ワ細5鈥3=3 2 +1=10锛涙晠绛旀涓猴細10锛
  • 鐢ㄢ 鈥濄佲 鈥瀹氫箟鏂拌繍绠:瀵逛簬浠绘剰瀹炴暟a,b,閮芥湁a b=a鍜宎 b=b,渚嬪3...
    绛旓細鏍规嵁棰樻剰鍙煡锛氾紙2006 2005锛 锛2004 2003锛=2006 2003=2006锛庢晠绛旀涓猴細2006锛
  • 扩展阅读:100道实数测试题 ... 实数运算50道及答案 ... 对于xy定义一种新运算 ... 初一实数的运算计算题 ... 初一实数混合运算题 ... 若定义新运算a b ... 定义新运算 如下 ... 对于实数xy定义新运算 ... 对于实数a ...

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