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a fost răspuns

aflati valoarea expresiei
3m+8n+10p,stiind ca m+n=18 si n+2p=24

Răspuns :

Renatemambouko
m+n=18
n+2p=24
3m+8n+10p=3m+3n+5n+10p=3(m+n)+5(n+2p)=3*15+5*24=45+120=165
m+n=18
n+2p=24
3m+8n+10p=3m+3n+5n+10p=
=3(m+n)+5(n+2p)=
=3*18+5*24=
54+120=
=174

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