Question

15+{16+[13×8-21)+2]} qual seria o resultado

Answer 1

Olá Anna

15 + (16 + (13*8 - 21) + 2)

15 + (16 + (104 - 21) + 2) 

15 + 16 + 83 + 2 = 31 + 85 = 116 

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Answer 2

Olá!!!
15+{16+[(13x8-21)+2]}
15+{16+[ (104-21)+2]}
15+{16+[83+2]}
15+{16+85}
15+101
=116