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Deutziknebunik
a fost răspuns

calculeaza. 2*7*a-b:3+a*c stiind ca:
b=2+56:[9-8:(9-9:9)]
c=56:7*3:8+2+2:2

Răspuns :

Bianca2607
b= 2+56:8 = 9
c= 6
14a-3+6a= 20a-3 =20*1-3= 20-3= 17
2+56:(9-8:8)=2+56:8=2+7=9
b=9
3+2+1=6
c=6
2*7*a-9:3+6a=14a-3+6a=20a-3

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