January 2024 2 19 Report
4.- Resuelve las siguientes operaciones.
a) 4 + (8 + 5 − 7) + 9 − (8 + 7) − 9 =



b) − {2 + (6+ 4 −2)+ [5 − (−7 − 6) −9] + 6} =



c) 5+{ ( 3×4 ) + [ 3 + (5-2) ] }=

d) 20 – { [23-2(5×2)] + (15/3) – 6 }=

e) 4 {5+(7+ 6×2)+7 [ 4 − 8 – (7 – 6) −2] + 6 (5 + 3)} =
si esta mal les quito los puntos yo si se como ayuda porfaaaaaaaaaaa

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