000			00327nam a2200133Ia 4500
008			180710s9999 xx 000 0 und d
020			_a223371
082			_a510 _bMAT
245			_aMATHEMATICS: Supplementary exercises
260			_aTsuen wan _bHealthy book store _c0
300			_a140 p.
650			_aMathematics
942			_cS
999			_c71087 _d71087