Question

M+n=17 n+p=15 p+m=18


Dermina valorile m, n, p

Answer 1

Răspuns:

m=10

n=7

p=8

Explicație pas cu pas:

$m+n=17=>m=17-n\\n+p=15=>p=15-n\\=>p+m=18\\(15-n)+(17-n)=18\\15-n+17-n=18\\32-2n=18\\2n=14\\n=7\\\\m+n=17\\m+7=17\\m=10\\\\n+p=15\\7+p=15\\p=8\\\\verificare:\\10+7=17 ,,A"\\7+8=15,,A"\\8+10=18,,A"$

Sper ca te-am ajutat! succes!