Răspuns :
Răspuns:
[15x(1660:83+154:1):17+6]:9=
=[15*(20+154)/17+6]/9=
=(15*174/17+6)/9=
=(153+6)/9=
=17
Răspuns:
[15 x (1660 : 83 + 154 : 1) : 17 + 6] : 9 =
=[15 x ( 20 + 154) : 17 + 6] : 9
=[15 x 174 : 17 + 6] : 9
=[2610 : 17 + 6] : 9
=[153,52 + 6] : 9
=159,52 : 9
=17,72
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