16.3减16.3除2= 用简便计算,怎么做?16.3减16.3除2= 用简便计算,怎么做?_数学解答

16.3减16.3除2= 用简便计算,怎么做?
16.3减16.3除2= 用简便计算,怎么做?

人气：396 ℃　时间：2020-04-13 02:36:06

解答

16.3-16.3÷2
=16.3×1-16.3×1/2
=16.3×(1-1/2)
=16.3×1/2
=8.15��У�101��2.8=�ü��101��2.8=��100+1��x2.8=100x2.8+1x2.8=280+2.8=282.8