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0.75x1.25x0.25x2+0.75x0.75
=0.75x(1.25x0.25x2+0.75)
=0.75x(0.625+0.75)
=0.75x1.375
=3/4 x 1又3/8
=3/4 x 11/8
=33/32
=0.75x(1.25x0.25x2+0.75)
=0.75x(0.625+0.75)
=0.75x1.375
=3/4 x 1又3/8
=3/4 x 11/8
=33/32
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