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calculeaza a,b,c si 2a+2b+c supra c stind ca a/2 =b/6 =c/10 si a+b+c=180​

Răspuns :

Răspuns:

a / 2 = b / 6 = c / 10 = k

a = 2k

b = 6k

c = 10k

a + b + c = 180

2k + 6k + 10k = 180

18k = 180

K = 180/18 = 10

a = 2*10 = 20

b = 6*10 = 60

c = 10*10 = 100

2a+2b+c=2^ * 20+2^ * 60 + 100 = 40 + 120 + 100 =

260

260 / c = 260/100 = 2.6