2.9+5.4/0.27*4.5的简便方法
问题描述:
2.9+5.4/0.27*4.5的简便方法
答
=2.9+20*4.5
=2.9+90
=92.9
2.9+5.4/0.27*4.5的简便方法
=2.9+20*4.5
=2.9+90
=92.9