帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?

来源:学生作业帮助网 编辑:作业帮 时间:2018/05/22 02:35:48
帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?帮我算道题.3.14x11/8+0.314x25/4

帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?
帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?

帮我算道题.3.14x11/8+0.314x25/4-3.14x.02=?
3.14x11/8+0.314x25/4-3.14x.02 =3.14x11/8+3.14x2.5/4-3.14x.02 =3.14x11/8+3.14x5/8-3.14x.02=3.14x(11/8+5/8-0.02)=3.14*(2-0.02)=6.28-0.0628=6.2172