(1/3+1/9-5/12)*(-36)
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![(1/3+1/9-5/12)*(-36)](/uploads/image/z/1093326-6-6.jpg?t=%281%2F3%2B1%2F9-5%2F12%29%2A%28-36%29)
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(1/3+1/9-5/12)*(-36)
(1/3+1/9-5/12)*(-36)
(1/3+1/9-5/12)*(-36)
(1/3+1/9-5/12)*(-36)
=1/3*(-36)+1/9*(-36)-5/12*(-36)
=-12+(-4)-(-15)
=-12-4+15
=-16+15
=-1