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Maria145
a fost răspuns

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

scieti varog ecuatia sau expresia
varog

varog frumos urgent

Răspuns :

Renatemambouko
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
[tex]m+n=18| \cdot3 \\ n+2p=24| \cdot 5 \\ 3m+3n=54 \\ 5n+10p=120 \\ 3m+3n+5n+10p=54+120 \\ 3m+8n+10p=174 [/tex]

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