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10)a)+21-38+{-44+25+88+[-50+(-62+46+52)]}
b)+71-58+{-35-49+23-[+82+35-(-92+17)]}
Vă rog frumos ajutatima
dau coroana​


10a213844258850624652b715835492382359217Vă Rog Frumos Ajutatima Dau Coroana class=

Răspuns :

Răspuns:

a) -17+{-19+88+[-50+(-16+52)]}

= -17+[+69+(-50+36)]

= -17+[+69+(-14)

= -17+(+69-14)

= -17+(+55)

= -17+ 55= +38

b) -13+[-84+23-(+82+35+75)

= -13+[-41-(+117)+75]

= -13+(-41-117+75)

= -13+(-158+75)

= -13+(-83)

= -13+(-83)

= -13-83

= -96