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Cat imi da media daca am 8 8 si 10 in teza??


Răspuns :

(8+8):2=
=16:2=8
(8*3+10):4=
=(24+10):4=
=34:4=8,5(media)
[(8+8):2x3+10]:4=
(16:2x3+10):4=
(8x3+10):4=
(24+10):4
34:4=8,50 (se va rotunji la 9)
deci media va fi 9