Răspuns :
^ = la puterea
2^ a+1 + 2^3b = 40
2^a • 2 + 8^b = 40
40 = 32+ 8
32+ 8 = 2 ^ 4+1 + 8^1
=== a = 4 / b=1
2^ a+1 + 2^3b = 40
2^a • 2 + 8^b = 40
40 = 32+ 8
32+ 8 = 2 ^ 4+1 + 8^1
=== a = 4 / b=1