efetue os cálculos algébricas a seguir:

a) -⅝ + ⅚
b) 3,75 - 4
c) ¹/-¹² + ³/¹⁰
d) -0,64 - 0,28
e) 6,74 + 9,45
f) -⅚+¾
g) 11,05 - 13
h) -2,91 + 3,07


gente se vcs tbm poder responder essas outras questões eu agradeço ​
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