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You may be asked to solve problems using Venn ... diagram. If we now look at Band Y circle, we have all the sections bar one. Now add up the numbers we have so far in Band Y circle: 20 + 11 + 3 ...
A Venn diagram is a way of grouping different items. These groups are known as sets. We have a set of golf clubs or a set of dishes – these are just groups of those items. We write a set using a ...
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