能简算的要简算
问题描述：
能简算的要简算
98*96/97
4/9*3/16+5/12
答
98*96/97
=(97+1)(97-1)/97
=(97²-1)/97
=97²/97-1/97
=97-1/97
=96又96/97
4/9*3/16+5/12
=1/3*1/4+5/12
=1/12+5/12
=6/12
=1/2