7/6x(1/4-1/3)x5/16x5/3
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7/6x(1/4-1/3)x5/16x5/37/6x(1/4-1/3)x5/16x5/37/6x(1/4-1/3)x5/16x5/37/6x(1/4-1/3)x5/16x5/3=7/6×(-1/12)
7/6x(1/4-1/3)x5/16x5/3
7/6x(1/4-1/3)x5/16x5/3
7/6x(1/4-1/3)x5/16x5/3
7/6x(1/4-1/3)x5/16x5/3
=7/6×(-1/12)×25/48
=-175/3456