if a+b+c= 4 then what is the average of 1,a-3,3,5,b+c,c-a,a-c+5,9?
Matematika
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Pertanyaan
if a+b+c= 4 then what is the average of 1,a-3,3,5,b+c,c-a,a-c+5,9?
1 Jawaban
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1. Jawaban Jackye
(1+a-3+3+5+b+c+c-a+a-c+5+9)/9
=(20+a+b+c)/9
=(20+(4))/9
=2,6666....
=2,67.