Question

[5^2-(5^3*3+4*2^5-7^3):2^4]^2:25-104:13

Answer 1

[5²-(5³·3+4·2⁵-7³):2⁴]²:25-104:13
[5²-(375+128-343):16]²:25-104:13
[5²-160:16]²:25-104:13
[25-160:16]²:25-104:13
225:25-104:13
9-8=1

Answer 2

[5^2-(5^3*3+4*2^5-7^3):2^4]^2:25-104:13=[25-(125*3+4*32-343]^2:25-8=[25-(373*128-343):16]^2:25-8=[25-(32+128):16]^2:25-8=(25-160:16)^2:25-8=15^2:25-8=225:25-8=9-8=1