7¹⁰⁰ : [ 7⁴⁰ x 7⁵⁸ - ( 7¹⁰ x 7¹⁵ )⁵ : 7²⁷ + ( 8⁵⁷ : 8⁵⁶ - 1¹⁰⁰ ) ⁹⁷ x 7 ] = 49
= 7¹⁰⁰ : [ 7 ⁽ ⁴⁰ ⁺ ⁵⁸ ⁾ - ( 7⁽ ¹⁰ ⁺ ¹⁵ ⁾ )⁵ : 7²⁷ + ( 8 ⁽ ⁵⁷ ⁻ ⁵⁶ ⁾ - 1 )⁹⁷ x 7 ] =
= 7¹⁰⁰ : [ 7⁹⁸ - 7²⁵ˣ⁵ : 7²⁷ + ( 8 - 1 )⁹⁷ x 7 ] =
= 7¹⁰⁰ : ( 7⁹⁸ - 7 ⁽ ¹²⁵ ⁻ ²⁷ ⁾ + 7⁹⁷ x 7 ) =
= 7¹⁰⁰ : ( 7⁹⁸ - 7⁹⁸ + 7 ⁽ ⁹⁷ ⁺ ¹ ⁾ ) =
= 7¹⁰⁰ : ( 0 + 7⁹⁸ ) =
= 7 ⁽ ¹⁰⁰ ⁻ ⁹⁸ ⁾ =
= 7² =
= 49
