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Pre algebra is the subject you need to understand before moving on to learn algebra. In other terms, you can say that pre algebra is the perfect platform from where you can move on to algebra. However, we will talk about pre algebra as a separate entity here. Let us have a look at the key topics of pre algebra you must know: Negative numbers Learn basic facts of adding, subtracting or multiplying negative numbers. For example, always remember: · If both numbers have the same sign, the product is positive.
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