resolva:
2x+[-4x-(-3x+2)-7]
Soluções para a tarefa
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2× [ -4× -(-3×+2)-7]
2× [ -4× -(-6)-7]
2× [ -4× + 6 -7]
2× [ -24 -7]
2× - 31
-62
2× [ -4× -(-6)-7]
2× [ -4× + 6 -7]
2× [ -24 -7]
2× - 31
-62
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