能巧算的要巧算4.587+3.47-2.47

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 18:01:11
能巧算的要巧算4.587+3.47-2.47
x){ѼM>ŲFD\X\H$cWAW_`gCl!pQMdaCı/.H̳Zj@T׮~O' S$,LZv[Cm ϬYdG˅;.jxf ȖXoQnBgɭ

能巧算的要巧算4.587+3.47-2.47
能巧算的要巧算
4.587+3.47-2.47

能巧算的要巧算4.587+3.47-2.47
4.587+3.47-2.47
=4.587+(3.47-2.47)
=4.587+1
=5.587

4.587+(3.47-2.47 )
=4.857+1
=5.847

先算3.47-2.47=1 再算第一项4.587+1=5.587

=4.587+(3.47-2.47)
=4.587+1
=5.587

4.587+3.47-2.47
=4.587+(3.47-2.47)
=4.587+1
=5.587

4.587+3.47-2.47=4.587+(3.47-2.47)=4.587+1=5.587

=4.587+1=5.587

4.587+3.47-2.47=5.587