September 2023 1 6 Report
a) 15+ {- 11 + [ - 7 + (- 4 + 8) + 3 + 6] + 4} =
b) -5 + ( -6) – (- 5) + (- 9) - (+7) + ( -10) + 7 – 12 =
c) [ -6 + (4 + 2) – ( -9)] – [ (-4) – (+7-5) + (-12)] +7 -15 =
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