Sometimes you are given numbers expressed as a product of prime factors. For example, 8 = 2 3 and 90 = 2 × 3 2 × 5. If you want to find the LCM and HCF in an exam, we can use prime factor form to ...
You may be asked to solve problems using Venn diagrams in an exam. It is really important you draw the Venn diagram and add information as you go along. This will help you keep an overview of what is ...
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