(-2根号2)²-(2³根号3)³

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(-2根号2)²-(2³根号3)³
(-2根号2)²-(2³根号3)³

(-2根号2)²-(2³根号3)³

(-2√2)²-(2³√3)³
=4×2-2³(³√3)³
=8-8×3
=8-24
=-16