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Potoracingrid
a fost răspuns

calculati media aritmetica a numerelor a si b,unde : a=6radical3 +radical108 -4radical75+2radical147 si b= 8radical + 33radical12 - 5radical27

Răspuns :

Renatemambouko
a=6√3 +√108 -4√75+2√147 =6√3 +6√3 -20√3+14√3 =6√3
b= 8√3+3√12 - 5√27=8√3+6√3 - 15√3=-√3
ma=(a+b)/2=(6√3-√3)/2=5√3/2=2,5√3

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