18.46-(5.46-3.78)

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18.46-(5.46-3.78)18.46-(5.46-3.78)18.46-(5.46-3.78)18.46-5.46-3.78=13-3.78=9.22

18.46-(5.46-3.78)
18.46-(5.46-3.78)

18.46-(5.46-3.78)
18.46-5.46-3.78=13-3.78=9.22