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Denisuc2001
a fost răspuns

a)5m +acolada3m+patrata 6p-2m (m-p)patrata acolada -patrata9m-(7n-p)patrata
Ajutatima e urgenta!!!!!!!!!!!!

Răspuns :

Meryistrate
5m+{3m+[6p-2m(m-p)]}-[9m-(7n-p)]=
5m+[3m+(6p-2m²+2mp)]-(9m-7n+p)=
5m+(3m+6p-2mp+2m²)-9m+7n-p=
5m+3m+6p-2mp+2m²-9m+7n-p=
2m²-m-2mp+5p+7n

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