00339nam a2200097Ia 4500008004100000020000600041100005000047245002000097999001900117952010500136211105s9999    xx            000 0 und d  a"  a DE WET, Brenda ; TROLLOPE, Madeline 9129376 0aMathematics N2   c606682d606681  00104070aERMELLbERMELLd2021-11-08g50.00l0oST 510 DEWEp3300310016246r2021-11-08w2021-11-08