November 2019 1 105 Report
A) (+8)+(-2)+(-7)+(-8)+(+5)+7(+2)+(-3)

b) (-2)-(-4)-(+7)-(-2)+(-12)

c) -20:{-6+[(-2).(-3):(+2)]-2}

d) 10-{-6+[(-12):(-3)-8]}

e)[(-2)⁴+3(3²-1)]:(-2³+3.2²)

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