00294nam a2200133Ia 4500008004100000100001400041245001900055250001000074260002800084300000800112650001600120942000700136999001700143190216s9999||||xx |||||||||||||| ||und||  aHall..H.S 0aSchool Algebra  aFIRST  bMagmillan &co Ltdc1978  a568  aMathematics  cBK  c30638d30638