00289nam a2200097Ia 4500082001400000245008300014100002700097942000700124008004100131999001900172  aR 51 GIBS 0aPass your maths std. 6-8 easily : arithmetic, algebra, geometry, trigonometry   a GIBSON, Clive  93691  cBK210825s9999    xx            000 0 und d  c527001d527000