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Mathematics, 21.09.2019 16:00 gabrielolivas59

Simplify negative 4 and 1 over 4 − negative 9 and 1 over 2.
i already know the answer but could you lease tell me how to do it plz

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Simplify negative 4 and 1 over 4 − negative 9 and 1 over 2.
i already know the answer but coul...
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