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pages 74,75,76,77,78 and 79 ecercise 2 of page 79 with color and 1 of page 145 of the Workbook

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Exercises 2 and 3 pages 142 and 143

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Pages 72 and 73

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Exercise  1 page 142

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Exercises 1,2,3 and 4 pagues 70 and 71