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A) - 0,1* 25 supra 2
B)-(25supra 2)^2,calculati a*b


Răspuns :

Salut.

a) [tex]\displaystyle{\frac{-0,1\times 25}{2}=\frac{-2,5}{2} =-1,25}[/tex]

b) [tex]\displaystyle{-(\frac{25}{2})^{2}= -\frac{25^{2}}{2^{2}}=-\frac{625}{4}=-156,25}[/tex]

a × b = -1,25 × -156,25 = 195,3125

- Lumberjack25