3. Simplify: |1-21| + |-311| - 2
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(1-21) + (-311) - 2
= (1-21 = -20) + (-311) - 2
= -20 + (-311) - 2
= (20+311) -2
= -331 - 2. (-331 because if the negative number is in big number then the sign of the answer will be negative).
= -333
= (1-21 = -20) + (-311) - 2
= -20 + (-311) - 2
= (20+311) -2
= -331 - 2. (-331 because if the negative number is in big number then the sign of the answer will be negative).
= -333
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