a×b=(a+b)÷(a-b);(2012 ×1)×1等于多少匧匧匧(过程解释清楚,算式列出来)

2025-05-21 21:26:59
推荐回答(1个)
回答(1):

2012 ×1
=(2012+1)÷(2012-1)
=2013/2011
(2012 ×1)×1
=2013/2011×1
=(2013/2011+1)÷(2013/2011-1)
=4024/2011÷2/2011
=2012