Question

25 + {33 ÷ 9 + [32 . 5 – 3 . (23 - 51) ] } =

c) 72 + 2 . [(3 + 1)2 - 4 . 13] =


como resolvee pra agr
expressao numerica
OBS. SAO 2 CONTAS

Answer 1

1ª - 25+{33:9+[32•5-3•(23-51)]}
25+{33:9+[32•5-3•-28]}
25+{33:9+[160-(-11)]}
25+{33:9+[160+11]}
25+{33:9+171}
25+{3,7+171}
25+174,7=199,7

c) 72+2•[(3+1)•2-4•13]
72+2•[4•2-4•13]
72+2•[8-52]
72+2•-44
72+(-88)
72-88=-16