ALINELUCAS181104GO
Respondido

11 (21:7 +3:1)+(2+4)1:(7x6:2 - 15 ) ) x 3 =

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Resposta :

FIOXPEDOGO

11(21 ÷ 7 + 3 ÷ 1) + (2 + 4) × 1 ÷ (7 × 6 ÷2 - 15) × 3

11(3 + 3) + 6 ÷ (21 - 15) × 3

11 × 6 + 6 ÷ 6 × 3

66 + 1 × 3

66 + 3

69

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