作业帮0.999×1.3－0.111×2.7等于几?
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/08 23:39:31
0.999×1.3－0.111×2.7等于几?
0.999×1.3－0.111×2.7等于几?
0.999×1.3－0.111×2.7等于几?
0.999x1.3-0.111x2.7
=0.111x11.7-0.111x2.7
=0.111x(11.7-2.7)
=0.111x9
=0.999
晕··不会用计算机算啊？
0.999*1.3-0.111*2.7
=0.999*1.3-0.111*(9*0.3)
=0.999*1.3-0.999*0.3
=0.999*(1.3-0.3)
=0.999*1
=0.999
0.999×1.3－0.111×2.7=0.111×（9×1.3-2.7）=0.111×9=0.999
0.999