1. 19-(-2) 2. (-13)+20 3. (-4)+(-18) 4. 5-4
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1. 19-(-2) 2. (-13)+20 3. (-4)+(-18) 4. 5-4
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Answer-
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Step-by-step explanation:
1. 19-(-2)
=19+2
=21
2.(-13)+20
=7
3.(-4)+(-18)
=-22
4.5-4
=1