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Elimine primeiro os parênteses e depois os colchetes:
![+32-(-6+4)+[-8+4-(-24+4)]\to\\\\+32-(-2)+[-8+4-20]\to\\ \\+32-(-2)+[-24]\to\\\\ +32+2-24\to\\\\10](https://tex.z-dn.net/?f=%2B32-%28-6%2B4%29%2B%5B-8%2B4-%28-24%2B4%29%5D%5Cto%5C%5C%5C%5C%2B32-%28-2%29%2B%5B-8%2B4-20%5D%5Cto%5C%5C+%5C%5C%2B32-%28-2%29%2B%5B-24%5D%5Cto%5C%5C%5C%5C+%2B32%2B2-24%5Cto%5C%5C%5C%5C10 "+32-(-6+4)+[-8+4-(-24+4)]\to\\\\+32-(-2)+[-8+4-20]\to\\ \\+32-(-2)+[-24]\to\\\\ +32+2-24\to\\\\10")
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