100-[48:(14-12:2)+56:7×8]=

Răspuns :

100-{48:(14-6)+8x8}

100-(48:8+64)

100-(6+64)

100-70=30


100 - [48 : ( 14 - 12:2 ) + 56 : 7×8] =


= 100 - {48 : (14 - 6) + 8x8}  

= 100 - (48 : 8 + 64)

= 100 - (6 + 64)

= 100 - 70


= 30