000 00356nam a2200157Ia 4500
020 _a9780602575144
040 _c.
082 _bT-79
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100 _a"Merttens, Ruth"
245 0 _aAbacus evolve textbook 1 for 3
260 _aEngland
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300 _a80
942 _2ddc
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999 _c706702
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