29×31分之32简便运算
问题描述：
29×31分之32简便运算
答
29*32/31=(31-2)*(1+1/31)=31-2+(31-2)/31=31-2-2/31=29-2/31=897/31
答
29×32/31
=（31-2）×32/31
=32-64/31
=29又93/31-64/31
=29又29/31
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答
29 × 32/31
= 29 × (1+1/31)
= 29 + 29/31
= 29 又 29/31
答
29×31分之32
=32/(30-1)(30+1)
=32/(30^2-1)
=32/899