29*31/32怎么简便计算
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29*31/32怎么简便计算
29*31/32
=29*(32-1)/32
=29*32/32 -29/32
=29 -29/32
=28又32分之3
29*31/32
=(32-3)*31/32
=32*31/32-3*31/32
=31-93/32
=31-2-29/32
=28又3/32
约等于29.
29*31/32怎么简便计算
29*31/32
=29*(32-1)/32
=29*32/32 -29/32
=29 -29/32
=28又32分之3
29*31/32
=(32-3)*31/32
=32*31/32-3*31/32
=31-93/32
=31-2-29/32
=28又3/32
约等于29.