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Calcula. Error absolut
EduBook Organización
- 2826 visitas
Calcula l'error absolut que es comet en aproximar per truncament i arrodoniment fins a les dècimes, les centèsimes i les mil·lèsimes els nombres següents: 81,237 dècimes → …
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Sistemes d'equacions lineals
EduBook Organización
- 2832 visitas
Un sistema d'equacions és un conjunt de dues equacions o més amb les mateixes incògnites que s'han de complir simultàniament. Si totes les equacions del sistema són de primer grau, es…
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Àrees i volums de cons. Activitat 11
EduBook Organización
- 2835 visitas
Construeix, amb cartolina, un con i un cilindre que tinguin la mateixa base i la mateixa altura i que estiguin oberts per una de les bases. Omple de sorra el con i aboca-la dins del cilindre. Repeteix…
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The phases of the Moon
EduBook Organización
- 1 lo usan
- 2636 visitas
Full Moon. The Moon is totally illuminated. Waning Moon. The Moon is partially illuminated. New Moon. The Moon is not illuminated. Waxing Moon. The Moon is partially illuminated.
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What is atmospheric pressure?
EduBook Organización
- 2824 visitas
Air has weight, even though it is very light. The atmosphere is a layer of air. The weight of this air applies pressure on the Earth's surface. Atmospheric pressure is not the same everywhere on the…
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Let's learn how to... - Natural and man-made landscapes
EduBook Organización
- 2830 visitas
Analyse a landscape What do we do? In this activity, we will look at and analyse a landscape. Follow the steps described below. Find a photo of a landscape. Look in magazines or on the Internet. Answer…
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Are there any mines or quarries where you live? Answer the questions
EduBook Organización
- 2828 visitas
Are there any mines or quarries where you live? Answer the questions: Where are they located? Which types of rocks or minerals are extracted?
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Check what I know
EduBook Organización
- 2834 visitas
Complete the sentences. Use the words below: electricity - electricity grid - petrol - natural gas Electricity travels to our houses through the . We use in our cars. We use coal in power stations to…
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What do your friends and family use the Internet for? Interview them
EduBook Organización
- 2829 visitas
What do your friends and family use the Internet for? Interview them: Look at your results and answer these questions: How old are people who use the Internet? And people who do not use the Internet?…
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Look and answer
EduBook Organización
- 2835 visitas
Look and answer: Look at the map of the European Union. Name the countries which form the EU. Which are the biggest countries in the EU?