Efetue os cálculos
![( + 16) + ( + 31) ( + 16) + ( + 31)](https://tex.z-dn.net/?f=%28+%2B+16%29+%2B+%28++%2B+31%29)
![( - 12) + ( + 20) ( - 12) + ( + 20)](https://tex.z-dn.net/?f=%28+-+12%29+%2B+%28+%2B+20%29)
![( + 26) + ( - 15) ( + 26) + ( - 15)](https://tex.z-dn.net/?f=%28+%2B+26%29+%2B++%28+-+15%29)
![( - 19) + ( - 11) ( - 19) + ( - 11)](https://tex.z-dn.net/?f=%28+-+19%29+%2B+%28+-+11%29)
![( - 36) + ( + 25) ( - 36) + ( + 25)](https://tex.z-dn.net/?f=%28+-+36%29+%2B+%28+%2B+25%29)
![( + 9) + ( - 28) ( + 9) + ( - 28)](https://tex.z-dn.net/?f=+%28+%2B+9%29++%2B+%28+-+28%29)
Soluções para a tarefa
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1
RaySousa55:
obg❤
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