1.25*72 简便算法!一定感激
问题描述:
1.25*72 简便算法!一定感激
答
1.25*72
=1.25*8*9
=10*9
=90
1.25*72 简便算法!一定感激
1.25*72
=1.25*8*9
=10*9
=90