拆项法:(-2010又5/6)+(-2009又2/3)+4020又2/3+(-1又1/2)=
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 00:58:33
![拆项法:(-2010又5/6)+(-2009又2/3)+4020又2/3+(-1又1/2)=](/uploads/image/z/209531-11-1.jpg?t=%E6%8B%86%E9%A1%B9%E6%B3%95%EF%BC%9A%28-2010%E5%8F%885%2F6%EF%BC%89%2B%EF%BC%88-2009%E5%8F%882%2F3%EF%BC%89%2B4020%E5%8F%882%2F3%2B%EF%BC%88-1%E5%8F%881%2F2%EF%BC%89%3D)
x){rg3KCi=t E,"F #,idelmg~
F`
`]`ź0f.P 37/.H̳̱0@Z|+ЂIL&LkXO?1Gb,!^F M1
拆项法:(-2010又5/6)+(-2009又2/3)+4020又2/3+(-1又1/2)=
拆项法:(-2010又5/6)+(-2009又2/3)+4020又2/3+(-1又1/2)=
拆项法:(-2010又5/6)+(-2009又2/3)+4020又2/3+(-1又1/2)=
(-2010又5/6)+(-2009又2/3)+4020又2/3+(-1又1/2)
=(-2010-2009+4020-1)+(-5/6-2/3+2/3-1/2)
=-5/6-1/2
=-4/3
=-2010-2009+4020-1-5/6-2/3+2/3-1/2=-4/3
(-2010又5/6) (-2009又2/3) 4020又2/3 (-1又1/2)=-2010又5/6-(-2009又4/6) 4020又4/6-3/2=-3/4
原式=-2010+(-2009)+4020-1-5/6+2/3+2/3-1/2=-5/6+2/3+2/3-1/2=-3/4