Question

2+{4+[(5+2)-2]}

{[(12+3)-8+5]+4}

100+{20+[(7+2-1)+3]}
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Answer 1

Resposta:

11

16

21

Explicação passo-a-passo:

2+{4+[(5+2)-2]} =

2+{4+[7-2]} =

2+{4+5} =

2+9 = 11

{[(12+3)-8+5]+4} =

{[15-8+5]+4} =

{12+4} = 16

100+{20+[(7+2-1)+3]}

100+{20+[8+3]}

100+{20+11}

100+21 = 121