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Molecular Mass: Calculate
You practice calculating the molecular mass of chemical substances.
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Interactive exercise (3)Teacher -
The days of the week
With this exercise you practice around the days of the week. You practice the concepts: the day before yesterday, yesterday, tomorrow and the day after tomorrow.
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Interactive exercise (13)Teacher -
Business forms, the location: Exercise
You practice the different business forms and the choice of location.
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Interactive exercise (8)Teacher -
Suspension of the employment contract: Test
The online exercise is about the different forms of suspension of the employment contract and their specific characteristics.
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Interactive exercise (6)Teacher