Question

[(3la4×3la7-3la10):3la9]la 39

Answer 1

[ ( 3⁴ x 3⁷ - 3¹⁰ ) : 3⁹ ] ³⁹ = 6 ³⁹

= [ ( 3 ⁽⁴ ⁺ ⁷ ⁾ - 3¹⁰ ) : 3⁹ ] ³⁹ =

= [ ( 3 ¹¹ - 3 ¹⁰ ) : 3⁹ ] ³⁹ =

= [ 3 ¹⁰ x ( 3 - 1 ) : 3⁹ ] ³⁹ =

= ( 2 x 3¹⁰ : 3⁹ ) ³⁹ =

= ( 2 x 3 ⁽ ¹⁰ ⁻ ⁹ ⁾ ) ³⁹ =

=( 2 x 3¹ ) ³⁹ =

= 6³⁹