5m Zen
2 power x 4 power
2 power x 4 power pictures 5
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2 power
2 power x 4 power
4 power x+6u003d8 power x+2u003d2 power y
x power 4 + xpower 2 + 25
x power 4 minus x power 2
2 ki power x 3 4 ki power x 1
2 power 3 x 2 power 4
x power 4 x power 2
2 power x 1 4 power x 3
x power 4 x power 2 1
2 power x 4 power y 8 power z
