-4.99*12简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 10:23:39
![-4.99*12简便计算](/uploads/image/z/48934-46-4.jpg?t=-4.99%2A12%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
-4.99*12简便计算
-4.99*12简便计算
-4.99*12简便计算
-4.99*12
=(-5+0.01)*12
=-5*12+0.12
=-60+0.12
=-59.88
-(5-0.01)*12=-60+0.12=-59.88
-4.99*12=(0.01-5)*12=0.12-60=-59.88
11111111
-4.99*12
=-(5-0.01)*12
=-5*12+0.01*12
=-59.88
-4.99*12
=-(5-0.01)*12
=-5*12+0.01*12
=-59.88
等于-5*12-(-0.01*12)
=-60-(-0.12)
=-60+0.12
=-59.82