Complete as expressões numéricas e, se possível, simplifique as frações, tornando-as irredutíveis .

a) -2/5 + (-1/3)
b) 24 - 7/2
c) 2,3 + 7,5 - 3,6 - 2,9
d) 3/5 - 2 + 1/5
e) (1/4 + 1/3) - (-1/6 + 1/2) -3
f) 0,3 + (2/3 - 1/5) +2 1/2
g) -4/5 - (0,8 -+ 0,36)
h) 12/5 - (-1) + (-3,6+5,4)
me ajudem genteeeeeeeeeeeeeeeeeee
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