99x43+43简便算法
问题描述:
99x43+43简便算法
答
方法一:原式=(100-1)×43+43
=4300-43+43
=4300
方法二:=(99+1)x43
=100×43
=4300
答
99x43+43=99x43+43x1=99x43+1x43=(99+1)x43=4300
答
99x43+43
=(99+1)x43
=100×43
=4300