0.27*99+0.27用简便方法
问题描述:
0.27*99+0.27用简便方法
答
0.27*99+0.27
=0.27x(99+1)
=0.27x100
=27
0.27*99+0.27用简便方法
0.27*99+0.27
=0.27x(99+1)
=0.27x100
=27