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{[(13²+3):2-5]:9+4²}:(625:25)=
Va roggg. Help me!


Răspuns :

={[(169+3):2-5]:9+16}:25={[172:2-5]:9+16}:25={81:9+16}:25={9+16}:25=25:25=1
{[(169+3):2-5]:9+16}:25=
[(172:2-5):9+16]:25
[(86-5):9+16]:25
(81:9+16):25
(9+16):25
25:25
1