怎样算简便0.25*5.9*40-59
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 18:56:59
![怎样算简便0.25*5.9*40-59](/uploads/image/z/3811948-52-8.jpg?t=%E6%80%8E%E6%A0%B7%E7%AE%97%E7%AE%80%E4%BE%BF0.25%2A5.9%2A40-59)
怎样算简便0.25*5.9*40-59
怎样算简便0.25*5.9*40-59
怎样算简便0.25*5.9*40-59
0.25*5.9*40-59
=0.25*4*59-59
=59-59
=0
原式=(4*0.25-1)*59=0
0.25*5.9*40-59
=0.25x40x5.9-59
=10x5.9-59
=59-59
=0
0.25*5.9*40-59=(0.25*40)*5.9-59=10*5.9-59=59-59=0
或者原式=(4*0.25-1)*59=0