-4.99*12简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 08:31:48
x)5ѳ24zɾ/-|nMR>v ;"9tj 52p2RF 1j
4Ta\#>=Pjj =@xB>#Es
|ɮ>iPm@GD#$W
-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