84又1/2÷14+16又1/2×1/14-(1-13/14)
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84又1/2÷14+16又1/2×1/14-(1-13/14)84又1/2÷14+16又1/2×1/14-(1-13/14)84又1/2÷14+16又1/2×1/14-(1-13/14)84又1/2÷
84又1/2÷14+16又1/2×1/14-(1-13/14)
84又1/2÷14+16又1/2×1/14-(1-13/14)
84又1/2÷14+16又1/2×1/14-(1-13/14)
84又1/2÷14+16又1/2×1/14-(1-13/14)
=84又1/2×1/14+16又1/2×1/14-1/14
=1/4×(84又1/2+16又1/2-1)
=1/4×100
=25
84又1/2÷14+16又1/2×1/14-(1-13/14)
=169/(2*14)+33/(2*14)-1/14
=202/(2*14)-1/14
=101/14-1/14
=100/14
=7又1/7
84又1/2÷14+16又1/2×1/14-(1-13/14)
=（84+1/2)/14+(16+1/2)*1/14-1+13/14
=6+1/28+8/7+1/28-1/14
=7又1/7