怎样算简便就怎样算;8/13除以7+1/7乘以6/13=

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怎样算简便就怎样算;8/13除以7+1/7乘以6/13=

怎样算简便就怎样算;8/13除以7+1/7乘以6/13=
怎样算简便就怎样算;8/13除以7+1/7乘以6/13=

怎样算简便就怎样算;8/13除以7+1/7乘以6/13=
化简好后是七分之一乘以(十三分之八+十三分之六)=十三分之二

8/13÷7+1/7×6/13
=8/13×1/7+1/7×6/13
=1/7×(7/13+6/13)
=1/7×1
=1/7

8/13÷7+1/7×6/13
=8/13×1/7+1/7×6/13
=1/7×(8/13+6/13)
=1/7×14/13
=2/13

8/13÷7 5/7×1/13
=8/13×1/7 1/7×5/13
=(8/13 5/13)×1/7
=1×1/7
=1/7