Răspuns :
Răspuns:
78 - 20:2+ 26·4 - 18 ·9 - 15:53=
78-10+104-162-0,283=9,717
9,717·3=29,151
(78-20:2+26×4-18×9-15:53) ×3
=(78-10+104-162-0,2830188679245) ×3
=(68+104-162-0,2830188679245) ×3
=(172-162-0,2830188679245) ×3
=(10-0, 2830188679245) ×3
=9,7169811320754×3
=29,150943396226