二减去十三分之六除以26分之九减去三分之二用简便计

2024-11-25 20:22:10
推荐回答(2个)
回答1:

2-6/13÷9/26-2/3
=2-6/13x26/9-2/3
=2-4/3-2/3
=2-(4/3+2/3)
=2-2
=0

回答2:

2➖6/13➗9/26➖2/3
=2➖2/3➖6/13✖️6/9
=6/3➖2/3➖2/1✖️2/3
=4/3➖4/3
=0
:6/3是通分后的数。