Cálculos combinados

C ÁLCULOS COMBINADOS

1) 3 +5 – 5 + 3 – 9 + 12 = 9 2) 5 – 4 + 9 + 2 – 2 – 3 – 7 – 12 – 4 = – 16 3) 3 + 2 + 7 – 12 – 6 – 3 + 5 = – 4 4) – 3 + 4 + 7 + 6 – 4 – 1 = 9 5) – (3 + 2) – (5 + 4 – 3) = – 11 6) – 4 + [(3 – 9) – (– 4 – 2) + 3] = – 1 7) – 5 – [(– 5 – 4) – (– 5 + 2)] = 1 8) – 4 + [– (– 4 + 9) + (– 4 – 2)] = – 15 9) – 4 – {5 + [4 – (7 + 4 – 4)]} = – 6 1) 3 + {3 – 6 – [9 + 12 – (4 + 9)]} = – 8 11) 4 + {4 – 9 – [9 + 4 – (3 + 6) – 5] + 3} = 3 12) 3 – {5 – [– 9 – 7 – (5 – 4 – 3)]} = – 16 13) 4 – {– 12 ! 4 + [4 – (4 ! – 2 + 12 – 2) – 6]} = 17 14) – 8 – {5 – [6 – (4 " – 3 ! – 6 + 5 – 2)] + 7} – 6 ! # 3 = – 17 15) 5 – 9 – {4 + [4 – (12$ – 6 " 2 + 4 – 3) – 5 ! – 5]} = – 16 16) 2 – {1 – [ – (3 " 3 ! – 9 – 4 – 4) – 6 ! 2 " – 2] + 7 – 4} = 13 17) 6 – {4 – [3 " – 2 + 3 " 6 – (4 ! # 2 + 4 – 2) – 9 ! # 3] + 4} = 13 18) 4 – {– 5 – 9 – [– (– 5 " – 4 + 6 ! – 3) – 9 " – 3 ! – 6 + 7] – 3} – 3 ! – 3 = – 34

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