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(9)[47-(18.75-1÷8/15)×2又6/25]÷0.46+(-3又1/3)÷(-10)×(-2又1/2)
=[47-(18.75-1又7/8)×2又6/25]÷0.46+1/3×(-2又1/2)
=[47-16又7/8×2又6/25]÷0.46-2/15
=[47-189/5]÷0.46-2/15
=9.2÷0.46-2/15
=20-2/15
=19又13/15
(10)(3/5-1/3-7/13)×【60×3/7-60÷7+60÷(1又2/5)】
=(3/5-1/3-7/13)×【60×3/7-60×1/7+60×5/7】
=(3/5-1/3-7/12)×【60×(3/7-1/7+5/7)】
=(3/5-1/3-7/12)×60
=3/5×60-1/3×60-7/12×60
=36-20-35
=-21
(11)-5/3×(0.5-2/3)÷(-7/6)-(-5/12)×(-4/15)÷4/5+(-2011)×2010×0×(-2009)
=-5/3×(-1/6)÷(-7/6)-1/9÷4/5+0
=5/18÷(-7/6)-5/36
=-5/21-5/36
=-95/252
=[47-(18.75-1又7/8)×2又6/25]÷0.46+1/3×(-2又1/2)
=[47-16又7/8×2又6/25]÷0.46-2/15
=[47-189/5]÷0.46-2/15
=9.2÷0.46-2/15
=20-2/15
=19又13/15
(10)(3/5-1/3-7/13)×【60×3/7-60÷7+60÷(1又2/5)】
=(3/5-1/3-7/13)×【60×3/7-60×1/7+60×5/7】
=(3/5-1/3-7/12)×【60×(3/7-1/7+5/7)】
=(3/5-1/3-7/12)×60
=3/5×60-1/3×60-7/12×60
=36-20-35
=-21
(11)-5/3×(0.5-2/3)÷(-7/6)-(-5/12)×(-4/15)÷4/5+(-2011)×2010×0×(-2009)
=-5/3×(-1/6)÷(-7/6)-1/9÷4/5+0
=5/18÷(-7/6)-5/36
=-5/21-5/36
=-95/252
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