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008 260111s9999||||xx |||||||||||||| ||und||
020 _a9781907554841
082 _a510 Y84C
100 _aYoung,Tracie
245 0 _aCool maths : 50 fantastic facts for kids of all ages
260 _aLondon
_bPortico
_c2013
300 _a111p.
690 _aMathematics ;Mathematics -- Problems, exercises, ;Cool maths
942 _cBK
999 _c237793
_d237793