作业帮怎样算简便0.25*5.9*40-59
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/11 17:59:37
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