简便运算 0.9+1.99+2.99+3.9999
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 10:58:38
![简便运算 0.9+1.99+2.99+3.9999](/uploads/image/z/4026033-9-3.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97+0.9%2B1.99%2B2.99%2B3.9999)
x){ɾ/Oxn06IED/!4F&zz`JjB µԳ : 10= tVC(]-Ȗ ,1D Y
简便运算 0.9+1.99+2.99+3.9999
简便运算 0.9+1.99+2.99+3.9999
简便运算 0.9+1.99+2.99+3.9999
0.9+1.99+2.99+3.9999
=1+2+3+4-(0.1+0.01+0.001+0.0001)
=10-0.1111
=9.8889
0.9+1.99+2.99+3.9999
=1-0.1+2-0.01+3-0.01+4-0.0001
=10-0.1201
=9.8799