简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 09:39:07
![简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2](/uploads/image/z/25519-31-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97+3.14%C3%9711%2F8+%2B0.314%C3%9725%2F4+-31.4%C3%970.2)
简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
简便运算 3.14×11/8 +0.314×25/4 -31.4×0.2
简便运算
3.14×11/8 +0.314×25/4 -31.4×0.2
=3.14×11/8 +3.14×5/8 -3.14×2
=3.14×(11/8+5/8-2)
=3.14×0
=0