Question

31 - { 28 + (-3) + [ - 4 + 2 - (2 - 8) ] } +1

Answer 1

31 - { 28 + (-3) + [ - 4 + 2 - (2 - 8) ] } +1

31-{28+(-3)+[-4+2+6]}+1

31-{28-3+4}+1

31-29+1

=3

Answer 2

31-{28+(-3)+[-4+2-(2-8)]}+1

31-{28+(-3)+[-4+2-6]}+1

31-{28+(-3)+[(-2)-6]+1

31-{28+(-3)+(-18)}+1

31-{25-18}+1

31-7+1

24+1

25

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