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ABACO Y ESTRATEGIAS DE CÁLCULO

ABACO Y ESTRATEGIAS DE CÁLCULO

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Restas<br />

7.828.300 – 2.471.006<br />

También se puede restar sumando el complemento a 9<br />

7.828.300 +7.528.993 - 10.000.000 = 5.357.294<br />

El complemento a nueve de 2.471.006 es 7.528.993

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