lista plantão 12 - 7º ano
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LISTA PLANTÃO – 12 – 7º ano
Aluno(a):__________________________________________________________________________________
1 – Resolva as expressões:
𝒂] −𝟏
𝟑 + −
𝟐
𝟑 + −
𝟏
𝟐 = _______________________________________________________________________________________
𝒃] −𝟑
𝟒 − −
𝟏
𝟑 + −
𝟐
𝟓 = _____________________________________________________________________________________
𝒄] 𝟓
𝟑 − +
𝟏
𝟒 + +
𝟐
𝟕 = _____________________________________________________________________________________
𝒅] 𝟑
𝟒 − −
𝟏
𝟐 + +
𝟏
𝟓 − +
𝟐
𝟑 = _____________________________________________________________________________
𝒆] 𝟓
𝟑 + −
𝟏
𝟐 − −
𝟐
𝟑 = _______________________________________________________________________________________
𝒇] −𝟑
𝟓 − −
𝟐
𝟑 + −
𝟏
𝟐 = _____________________________________________________________________________________
𝒈] −𝟏
𝟑 ∙ −
𝟏
𝟐 ∙
𝟑
𝟐 = _______________________________________________________________________________________
𝒉] −𝟏
𝟑 ∙ −
𝟐
𝟓 ∶ −
𝟏
𝟐 = _______________________________________________________________________________________
2 – Calcule e simplifique o resultado quando possível:
𝒂] 𝟐 ∙ 𝟑
𝟓+
𝟏
𝟕 = ___________________________________________________________________________________________________
𝒃] 𝟑
𝟓 ∙
𝟐
𝟓+
𝟏
𝟐 = ___________________________________________________________________________________________________
𝒄] 𝟏
𝟕 ∙
𝟐
𝟑+
𝟐
𝟓 = ___________________________________________________________________________________________________
𝒅] − 𝟑 ∙ 𝟒 + 𝟏
𝟓 = ________________________________________________________________________________________________
𝒆] 𝟖
𝟑 ∙
𝟏
𝟐 −
𝟐
𝟑 = __________________________________________________________________________________________________
𝒇] 𝟏
𝟐 ∙
𝟐
𝟑−
𝟏
𝟔 = ___________________________________________________________________________________________________
𝒈] 𝟑
𝟕 ∙
𝟏
𝟒−
𝟏
𝟔 = ___________________________________________________________________________________________________
𝒉] − 𝟓 ∙ 𝟏
𝟐−
𝟑
𝟒 = _________________________________________________________________________________________________
3 – Assinale as sentenças verdadeiras:
𝒂] 𝟏
𝟐 𝟐
= 𝟐
𝟒 𝒃] − 𝟕 𝟎 = 𝟏 𝒄] −
𝟑
𝟐 𝟐
= 𝟗
𝟒
𝒅] − 𝟕
𝟓 𝟏
= 𝟎 𝒆] − 𝟐 𝟑 = 𝟖 𝒇] − 𝟑
𝟓 𝟏
= 𝟏
𝒈] − 𝟏
𝟐 𝟐
= 𝟏
𝟒 𝒉] − 𝟑 𝟐 = 𝟔 𝒊]
𝟓
𝟑 𝟑
= 𝟑
𝒋] 𝟐
𝟕 𝟑
= 𝟏 𝒌] 𝟏𝟎 = 𝟎 𝒍] −𝟐
𝟑
𝟎= −𝟏
4 – Calcule:
𝒂] 𝟑−𝟐 = __________ 𝒃] 𝟓−𝟐 = __________ 𝒄] 𝟖−𝟐 = __________
𝒅] 𝟐
𝟑 −𝟐
= __________ 𝒆] 𝟏
𝟓 −𝟑
= __________ 𝒇] − 𝟑
𝟒 −𝟐
= __________
𝒈] 𝟓−𝟑 = __________ 𝒉] 𝟗−𝟐 = __________ 𝒊] 𝟏𝟎−𝟑 = __________
𝒋] 𝟒−𝟏 = __________ 𝒌] 𝟓
𝟑 −𝟐
= __________ 𝒍] 𝟕−𝟏 = __________
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