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1
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2Published 1976“...Open University, Mathematics Foundation Course Team...”
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5Published 1971“...Open University, Mathematics Foundation Course Team...”
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6
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7Published 1971“...Open University, Mathematics Foundation Course Team...”
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8
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9Published 1971“...Open University, Mathematics Foundation Course Team...”
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10Published 1971“...Open University, Mathematics Foundation Course Team...”
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11Published 1971“...Open University, Mathematics Foundation Course Team...”
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12Published 1971“...Open University, Mathematics Foundation Course Team...”
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13
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14Published 1971“...Open University, Mathematics Foundation Course Team...”
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