97又1/95*1/96 简算,讲明白简算的原因
问题描述:
97又1/95*1/96 简算,
讲明白简算的原因
答
97又1/95*1/96=(97+1/95)/96=(97*95+1)/(95*96)=[(96+1)(96-1)+1]/(95*96)
=(96²-1+1)/(95*96)=96²/(95*96)=96/95
答
97又1/95*1/96
=(97*95+1)/95*96
=(96²-1+1)/95*96
=96²/95*96
=96/95