Va rog repede . Trebuie făcut doar d. Dau coroană.

Răspuns:
[tex] (\frac{88}{100 } + \frac{50 + 3}{25}) \times \frac{1}{80} [/tex]
[tex]( \frac{88}{100} + \frac{53}{25} ) \times \frac{1}{80} [/tex]
[tex] \frac{88 + 212}{100} \times \frac{1}{80} [/tex]
[tex] \frac{300}{100} \times \frac{1}{80} [/tex]
[tex]3 \times \frac{1}{80} [/tex]
[tex]d = \frac{3}{80} [/tex]