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  text: '[summary: We can take two [4zq rational numbers] and [addition add] them together, just as we can take two [45h *natural* numbers] and add them together; and all the other operations of the integers can be viewed in the rationals too.]\n\nNow that we've seen [4zx what the rational numbers are], we'll move on to working out how to combine them.\n\nThere are four main ways to combine rational numbers, and collectively they are called "arithmetic":\n\n- [55m Addition]\n- [56x Subtraction]\n- [59s Multiplication]\n- [5jd Division]\n\nAdditionally, we can *[5pk compare]* rational numbers with each other; and we can show that all of these operations [5pm play nicely together] in a certain sense.\n\nThis page is the start of an arc which will go through all of these ideas.\nIn the process, we'll get you familiar with the notation that we use for rational numbers; it's a very convenient shorthand once you've learnt [5q5 the conventions].',
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