000			00423nam a22001457a 4500
999			_c54609 _d54609
005			20191212070941.0
008			191212b ||||| |||| 00| 0 eng d
040			_cgslrc
082			_aTR 372.7 L6285 2011
245			_aGradual Difficulty : _cMath topical tests 2.
260			_aSingapore : _bEducational Pub, _c2011.
300			_a280p.: ill.; 26cm.
650			_2Mathematics--Elementary education
942			_2ddc _cBK