【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 23:07:08
![【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5](/uploads/image/z/592216-16-6.jpg?t=%E3%80%905%E5%8F%881%2F3%2B%EF%BC%888.7-3%E5%8F%881%2F2%C3%972%E5%8F%881%2F7%EF%BC%89%E3%80%91%2F19%E5%8F%883%2F5)
xQ;0
c?j$rJAp T: L7R1
8I+@}l'.RsqSP<&kmuzUPz#Ʀbe\Q (p}19Ck]~z#Itc:gbLi^#1ܧe>:Yg!6=]Fs5ͮB[0BM7x.jnƄ >)>ŧ}
【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5
【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5
【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5
{5+1/3+[8.7-(3+1/2)*(2+1/7)]}/(19+3/5)
={5+1/3+[8.7-7/2*15/7]}/(19+3/5)
={5+1/3+[8.7-15/2]}/(19+3/5)
={5+1/3+[8.7-7.5]}/(19+3/5)
={5+1/3+1.2}/(19+3/5)
={5+1/3+1+1/5}/(19+3/5)
={6+1/3+1/5}/(19+3/5)
={6+5/15+3/15}/(19+3/5)
={6+8/15}/(19+3/5)
={98/15}/(98/5)
=98/15*5/98
=5/15
=1/3
1/3
【5又1/3+(8.7-3又1/2×2又1/7)】/19又3/5
=【16/3+(8.7-7/2*15/7)】*(5/98)
=【16/3+(8.7-7.5)】*(5/98)
=【16/3-1.2】*(5/98)
=(16/3+6/5)*(5/98)
=(98/15)*(5/98)
=1/3