B) (-1) + (-7) ÷ (-2)
D) (-2) + (-2) ÷ (-2)
E) (-1) - (+6) × (+4) - (+3)
F) -5 × (4 - 12 ÷ 2)
G) (-4)² + √9 × (-2)

me ajudem plis, isso vale nota

(com conta pfv)​
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