1) Resolva as expressões numéricas seguindo as regras básicas aprendidas:

A) 100 : √4 – 5 x 6 + √100 =
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B) (640 – 50 x 23) : √36 – 32 =
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C) 103 x 50 + 82 : 23 =
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d) 23 - √4 x √16 =
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