[5/3-(1/3-1/6+5/12)×2.4]÷5

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[5/3-(1/3-1/6+5/12)×2.4]÷5
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[5/3-(1/3-1/6+5/12)×2.4]÷5
[5/3-(1/3-1/6+5/12)×2.4]÷5

[5/3-(1/3-1/6+5/12)×2.4]÷5
[5/3-(1/3-1/6+5/12)×2.4]÷5
=5/3*1/5-(1/3*2.4-1/6*2.4+5/12*2.4)/5
=1/3-(0.8-0.4+1)/5
=1/3-7/25
=4/65

65/12