Oblicz wartość wyrażenia.: a) (√16)²-(√25)²= b) (-2) · (√4)² = c)(∛[latex]frac{1}{125}[/latex])³ - (∛-[latex]frac{1}{8}[/latex])³ = d) [√400 - (√16)²] : ∛-[latex]frac{1}{64}[/latex]  =

a)4²-5²=16-25=-9 b)(-2)·2²=(-2)·4=-8 c)[latex]frac{1}{125}-frac{1}{8}=frac{8-125}{125*8}=frac{-117}{1000}[/latex] d)(20-16):(1/4)=16

a) (√16)²-(√25)²= 16 - 25 = -9 b) (-2) · (√4)² = (-2) * 4 = -8 c)(∛1/125)³ - (∛-)1,8)³ =1/125 + 1/8 = 8/1000 + 125/1000 = 133/1000 d) [√400 - (√16)²] : ∛-1/64 = [20 - 16] : (-1/4) = 4 * (-4) = -16