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Calculați:

[(116-56:8)*7-419]:4-83=


Răspuns :

Răspuns:

[(116-56:8)×7-419]:4-83=

[(116-7)×7-419]:4-83=

(109×7-419):4-83=

(763-419)"4-83=

344:4-83=

86-83=

3

[(116-56:8)*7-419]:4-83= 3

56:8=7

[(116-7)*7-419]:4-83

116-7= 109

paranteza dreapta se transforma in paranteza rotunda acum

(109*7-419):4-83

109*7=763

(763-419):4-83

763-419= 344

scapam de toate parantezele ramase

344:4-83

344:4=86

86-83= 3