怎样简便计算0.6666*0.8+0.1111*5.2
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/26 18:31:14
怎样简便计算0.6666*0.8+0.1111*5.2
0.6666*0.8+0.1111*5.2
=0.1111*6*0.8+0.1111*5.2
=0.1111*4.8+0.1111*5.2
=0.1111*(4.8+5.2)
=0.1111*10
=1.111
0.6666×0.8+0.1111×5.2
=0.1111×6×0.8+0.1111×5.2
=0.1111×4.8+0.1111×5.2
=0.1111×(4.8+5.2)
=0.1111×10
=1.111