August 2022 1 1 Report
№ 12.13: Известно,что a>0,b>0,c<0,d<0.
Какой знак имеет выражение:

а)abcd

б)
[tex] \frac{abd}{c} [/tex]




в)
[tex] \frac{ac}{bd} [/tex]






г)a²b³c⁴d/5
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