Răspuns:
2²¹:[(3³•5:15+7⁰)⁵:10³-6²]³+79=
=2²¹:[(27•5:15+1)⁵:10³-36]³+79=
=2²¹:[(135:15+1)⁵:10³-36]³+79=
=2²¹:[(9+1)⁵:10³-36]³+79=
=2²¹:[10⁵:10³-36]³+79=
=2²¹:[10⁵‐³-36]³+79=
=2²¹:[10²-36]³+79=
=2²¹:[100-36]³+79=
=2²¹:64³+79=
separat:64³=(2⁶)³=2¹⁸
=2²¹:2¹⁸+79=
=2²¹‐¹⁸+79=
=2³+79=
=8+79=
=87
