Mathematics, 10.09.2019 18:30 sophie5988

Necesito ayuda en estos ejerciicios de mates nivel segundo eso
(1/3 + 2/5) - 1/4 - (5/6 - 7/6)
las barras significan que son fracciones

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Necesito ayuda en estos ejerciicios de mates nivel segundo eso
(1/3 + 2/5) - 1/4 - (5/6 - 7/6...