74-0.4×0.7-0.72怎样简便计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 12:22:11
![74-0.4×0.7-0.72怎样简便计算?](/uploads/image/z/442647-63-7.jpg?t=74-0.4%C3%970.7-0.72%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F)
74-0.4×0.7-0.72怎样简便计算?
74-0.4×0.7-0.72怎样简便计算?
74-0.4×0.7-0.72怎样简便计算?
74-0.4×0.7-0.72
=74-0.28-0.72
=74-(0.28+0.72)
=74-1
=73
74-0.4×0.7-0.72
=74-0.28-0.72
=74-(0.28+0.72)
=74-1
=73
74-0.4*0.7-0.72
=74-0.28-0.72
=74-(0.28+0.72)
=74-1
=73