二十六分之三十五乘三十七=?二千零十三分之二千零十四乘二千零十二=?用简便运算.

35/26*37
=(36^2-1)/26
=36^2/26-1/26
=(26+10)^2/26-1/26
=(26^2+520+100)/26-1/26
=26+20+99/26
=49又11/13 .
2014/2013*2012
=(2013^2-1)/2013
=2013-1/2013
=2012又2012/2013 .