Question

2^30+2^29-2^28/2^31+2^30+2^29​

Answer 1

Answer:

$\frac{ {2}^{30} + {2}^{29} - {2}^{28} }{ {2}^{31} + {2}^{30} + {2}^{29} } = \frac{ {2}^{28}( {2}^{2} + 2 - 1) }{ {2}^{29}( {2}^{2} + 2 + 1} ) \\ = \frac{4 + 1}{2(4 + 2 + 1)} = \frac{5}{2 \times 7} \\ = \frac{5}{14}$