posted by tom .
if A  B = A^B-(A+B), 7  9 = ?
tom, chris, charls, TIM, lorra, lindy:
please do not use different aliases.
AB = A^B-(A+B)
for 34, substitute A=3, B=4, rewrite the equation as:
You can do the same for 79.
If you wish, you can post your answer for checking.