July 2023 1 2 Report
3. Eliminación de signos de agrupación
ayuda porfavor
1) -7(3-4x 2) + 2[-2(-6-1) + 3) =
2) 12-{-2 + 3 [4 - (-8 + 12) + 1] - 2} +3 =
3) 5-2 [3 (7-4) - (-12 + 3)] - 6 =
4) 3(4+2 x 3) + 2 (10 = 5 +2) - 4(5 + 4-3) =​

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