Question

(3^-1+4^-1)^-1÷5^-1​

Answer 1

Answer:

$( {3}^{ - 1} + {4}^{ - 1} ) {}^{ - 1} \div {5}^{ - 1} = > ( \frac{1}{3} + \frac{1}{4} ) {}^{ - 1} \div \frac{1}{5} = > (3 + 4) \times 5= > 7 \times 5 = > 35$

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