exam Maths Puzzle Numerical Ability

One more for the day! Thanks everyone that has helped me and continues to help.
4-(-3)+1 / 2-2 divided by (-2)
my answer is undefined. I am hoping I did this correctly.

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exam Other Question

arrange in order from greastest to least using the > sign 7.06 , 7.065 , 7.006

7.006 > 7.06 > 7.065
7.006 > 7.065 > 7.06
7.065 > 7.006 > 7.06
7.065 > 7.06 > 7.006
y=x(square root 3)