原式=(2/3-1/2+1/6)/24
=2/3×1/24-1/2×1/24+1/6×1/24
=1/36-1/48+1/144
=4/144-3/144+1/144
=1/72
如果是乘以24的话
那么原式=2/3×24-1/2×24+1/6×24=16-12+4=8
原式=(2/3-1/2+1/6)/24
=2/3×1/24-1/2×1/24+1/6×1/24
=1/36-1/48+1/144
=4/144-3/144+1/144
=1/72
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