000			00344nam a2200133Ia 4500
005			20260205105207.0
008			260111s9999||||xx |||||||||||||| ||und||
020			_a8181310357
082			_a510.3 N19M
245		0	_aExpressions and formulas: Class VI
260			_aNew delhi _bEncyclopaedia britannica _c2003
300			_a100p.
942			_cBK
999			_c261862 _d261862