aside from the ambiguity caused by a paucity of parentheses,
#1 looks ok
#2 (-3)^2 = 9, not -9
but that's ok, since you dropped it in the next step anyway.Other than that, it's virtually incomprehnsible.
Add some parens so it's clear what is wanted. I can guarantee that 115/3-9 is not 115/27, no matter how you parse it.
simplify
26-3*2/4^4+3^4
26-6/256+81
20/337
125-2*5/3^3/3^2-(-3)^2
125-10/27/9-(-9)
115/3-9
115/27
want to know if these two problem right
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