verify 5/11-(-2/3-5/7)not equals to {5/11-(-2/3)}-5/7
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verified
Step-by-step explanation:
5/11-(2/3-5/7) = 5/11-2/3+5/7 ≠ 5/11-2/3-5/7
116/231 ≠ -214/231
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