000			00623nam a22001577a 4500
008			110318t xxu||||| |||| 00| 0 eng d
020			_a0521439051
020			_a9780521439053
082			_a510
245			_aRatio and sharing 1: _bratio, fractions, decimals and percentages for 2 or 3 people.
260			_aNew York: _bPress Syndicate of the Univesrity of Cambridge, _c1992.
300			_a17p.: _bcol ill.;
650			_aMathematics. _vRatios. _923398
942			_2ddc _cBK
999			_c15124 _d15124