3.997+19.96+1.9998+199.7(简便运算)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/25 19:08:11
3.997+19.96+1.9998+199.7(简便运算)
![3.997+19.96+1.9998+199.7(简便运算)](/uploads/image/z/17032480-16-0.jpg?t=3.997%2B19.96%2B1.9998%2B199.7%28%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%29)
3.997+19.96+1.9998+199.7
=4-0.003+20-0.04+2-0.0002+200-0.3
=226-0.3432
=225.6568
=4-0.003+20-0.04+2-0.0002+200-0.3
=226-0.3432
=225.6568