Calculeaza a+b+c,stiind ca : 240-16×a=8xb=4xc=160

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28 Agustus 2025 matematica 5 minute
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Calculeaza a+b+c,stiind ca : 240-16×a=8xb=4xc=160
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Cel mai bun răspuns
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240-16a=8b=4c=160
4c=160
c=160:4
c=40
8b=160
b=160:8
b=20
240-16a=160
16a=240-160
16a=80
a=80:16
a=5
a+b+c=40+20+5
a+b+c=60+5
a+b+c=65
proba: 240-16*5=240-80=8*20=4*40=160

Răspunsul a fost dat în data 28 Agustus 2025

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