Me ajudem a calcular o valor das expressões

a) 4,6 + 6,4 : 2 =

b) 9,6 : 3 -1,5 =

c) 3,6 : 4 + 4,3 x 1,3 =

d) 15 - 4,5 : 3 =

e) 8,8 : 4 + 5,6 x 2=

f) (4 + 0,5) : ( 1 - 0,5) =

g) (8 - 0,8) : (3 x 0,4) =

h) (0,5 + 0,7) : 0,3 =
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