(2xyx)^4 - (3z)^2 + xy - 9=
= (2*1*2*1)^4 - (3√2)^2 + 1 * 2 - 9=
= 4^4 - (9*2) + 2 - 9 = 256 - 18 - 7 = 231
znak ^ oznacza potegowanie
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(2xyx)^4 - (3z)^2 + xy - 9=
= (2*1*2*1)^4 - (3√2)^2 + 1 * 2 - 9=
= 4^4 - (9*2) + 2 - 9 = 256 - 18 - 7 = 231
znak ^ oznacza potegowanie