#表示一种新的运算符号,并且A#B=3A+4B,如6#7=6*3+7*4=46,那么8#(9#10)=(
=8#67=24+268
=292
绛旓細2.鏈変竴绉嶆柊杩愮畻锛婏紝瀹冪殑瀹氫箟涓 x锛妝=锛坸+1)(y+a)宸茬煡5锛2=9锛屾眰3锛2 鎶5锛2=9甯﹀叆x锛妝=锛坸+1)(y+a)寰:(5+1)(2+a)=9 鍗12+6a=9 瑙e緱a=-0.5 3锛2=(3+1)(2-0.5)=6 3.#琛ㄧず涓绉嶆柊鐨勮繍绠楃鍙凤紝宸茬煡2#3=2+3+4锛岋紝6#2=6+7锛3#5=3+4+5+6+7锛屼互杩欑...
绛旓細5*X=4 锛2脳5脳x-x)梅9=4 10x-x=36 9x=36 x=4
绛旓細a鈻砨=2a-b -1/2鈻筹紙-1鈻3锛=-1/2鈻砙2脳锛-1锛-3]=-1/2鈻筹紙-5锛=2脳锛-1/2锛-锛-5锛=-1+5 =4
绛旓細A ==> 10鈥3 = 10 + 11 + 12 = 33
绛旓細1 2 陇 1 5 锛=锛 1 2 - 1 5 锛壝凤紙 1 2 + 1 5 锛夛紝= 3 10 梅 7 10 锛= 3 7 锛涙晠绛旀涓猴細 3 7 锛
绛旓細鏈嬪弸锛岃缁嗚繃绋嬪鍥緍t锛屽笇鏈涜兘甯埌浣犺В鍐抽棶棰
绛旓細瑙o細鈭礱锛奲锛4a-2b 鈭3锛4锛4脳3-2脳4锛12-8锛4
绛旓細杩欓噷瀹氫箟鐨勮繖涓杩愮畻绗鐨勬剰涔夊氨鏄細a鈯檅=a²-b 鎵浠ュ叾浠鐨勮繍绠閮芥寜鐓ц繖涓滃叕寮忊濇潵杩涜灏監K浜嗭紒锛
绛旓細锛2008脳銆2007锛夛純銆锛2006脳2005锛=2007#2005 =2007 绁濅綘寮蹇
绛旓細2鈥5=3脳22+2脳5=22锛庢晠绛旀涓猴細22锛