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Solution 1.2:1e

From Förberedande kurs i matematik 1

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The first step is to expand the fractions so that they have a common denominator,

743843+473373−374474=8496+8463−84112.

After that, the expression can be calculated by adding and subtracting the numerators

8496+8463−84112=8496+63−112=8447.
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