0.99+0.37-0.43的简算
来源:学生学帮网 编辑:学帮网 时间:2024/06/15 03:22:44
0.99+0.37-0.43的简算
0.99+0.37-0.43
=(1-0.01)+(0.4-0.03)-(0.4+0.03)
=1-0.01+0.4-0.03-0.4-0.03
=1+(0.4-0.4)-(0.01+0.03+0.03)
=1-0.07
=0.93
不难啊
0.99+0.37-0.43的简算
0.99+0.37-0.43
=(1-0.01)+(0.4-0.03)-(0.4+0.03)
=1-0.01+0.4-0.03-0.4-0.03
=1+(0.4-0.4)-(0.01+0.03+0.03)
=1-0.07
=0.93
不难啊