10 x {18² : 324+2 x [(2² x 3)¹⁵ : (2²⁹ x 3¹⁵) + 1²⁴]}=

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Vezi imaginea 19999991

10 x { 18² : 324 + 2 x [ ( 2² x 3 )¹⁵ : ( 2²⁹ x 3¹⁵ ) + 1²⁴] } = 70

= 10 x { 324 : 324 + 2 x [ ( 2³⁰ x 3¹⁵) : ( 2²⁹ x 3¹⁵ ) + 1 ] } =

= 10 x [ 1 + 2 x ( 2 + 1 ) ] =

= 10 x ( 1 + 2 x 3 ) =

= 10 x 7 =

= 70