简便运算 2008+200.8+20.08+200.8+1992+199.2+19.92+1.992
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 05:56:09
![简便运算 2008+200.8+20.08+200.8+1992+199.2+19.92+1.992](/uploads/image/z/97620-60-0.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97+2008%2B200.8%2B20.08%2B200.8%2B1992%2B199.2%2B19.92%2B1.992)
简便运算 2008+200.8+20.08+200.8+1992+199.2+19.92+1.992
简便运算 2008+200.8+20.08+200.8+1992+199.2+19.92+1.992
简便运算 2008+200.8+20.08+200.8+1992+199.2+19.92+1.992
=(2008+1992)+(200.8+199.2)+(20.08+19.92)+(2.008+1.992)
=4000+400+40+4
=4444