{340 -[100 +(10 × 2 + 20)] + 50} × 2
150+{600-400+[200-(3×3×10)-10]+50=
{70-30+10×[45÷5-4+(100_99)-50}=
2×{100+[200-(5×20)]+10}=
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Resposta:
Explicação passo-a-passo:
{340 -[100 +(10 × 2 + 20)] + 50} × 2
(10 x 2 + 20) = 40
100 + 40 = 140
{340 - 140 + 50} x 2 = 250 x 2 = 500
150+{600-400+[200-(3x3×10)-10]+50=
150+{600-400+[200-(90)-10]+50=
150+{600-400+[200-90-10]+50=
150+{600-400+100+50=
150 + 350 = 500
{70-30+10×[45÷5-4+(100-99)-50}=
{40+10×[9-4+(1)-50}=
{40 + 10 {6-50}=
40 + 10 * -44 =
40 - 440 = -400
2×{100+[200-(5×20)]+10}=
2×{100+[200-(100)]+10}=
2×{100+[100+10}=
2 * {100 +110} =
2 * 210 = 420
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