Question

2³:2¹+2³×2⁴:2⁶+3³×3²×3⁰:3⁹​

Answer 1

=

${2}^{3 - 1} + {2}^{3 + 4 - 6} + {3}^{3 + 2 + 0 - 9} = \\ {2}^{2} + {2}^{1} + {3}^{ - 4} = \\ 4 + 2 + \frac{1}{ {3}^{4} } = 6 + \frac{1}{81} = \\ \frac{6 \times 81 + 1}{81} = \frac{486 + 1}{81} = \\ \frac{487}{81}$