1又1/4*5+[1/24+3/14*2+(1又7/12-0.625)]*0.7+1.875/7又1/2/[3又4/5/(3-2.4*14/15)]*2.5
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1又1/4*5+[1/24+3/14*2+(1又7/12-0.625)]*0.7+1.875/7又1/2/[3又4/5/(3-2.4*14/15)]*2.51又1/4*5+[1/24+3/14*2+(
1又1/4*5+[1/24+3/14*2+(1又7/12-0.625)]*0.7+1.875/7又1/2/[3又4/5/(3-2.4*14/15)]*2.5
1又1/4*5+[1/24+3/14*2+(1又7/12-0.625)]*0.7+1.875/7又1/2/[3又4/5/(3-2.4*14/15)]*2.5
1又1/4*5+[1/24+3/14*2+(1又7/12-0.625)]*0.7+1.875/7又1/2/[3又4/5/(3-2.4*14/15)]*2.5
1又1/4*5+[1/24+3/14*2+(1又7/12-0.625)]*0.7+1.875/7又1/2/[3又4/5/(3-2.4*14/15)]*2.5
=1又1/4*5+[1/24+3/14*2+23/24]*0.7+1.875/7又1/2/[3又4/5/(3-2.24)]*2.5
=1又1/4*5+[1+3/7]*0.7+1.875/7又1/2/[3又4/5/0.76]*2.5
=1又1/4*5+10/7*0.7+0.25/5**2.5
=6.25+1+0.125
=6.375