(-3.75)+2.85+(-1又4/1)+(-2/1)+3.5+(-2.5)我算不出来了,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 18:47:51
![(-3.75)+2.85+(-1又4/1)+(-2/1)+3.5+(-2.5)我算不出来了,](/uploads/image/z/10161817-25-7.jpg?t=%28-3.75%29%2B2.85%2B%28-1%E5%8F%884%2F1%EF%BC%89%2B%EF%BC%88-2%2F1%EF%BC%89%2B3.5%2B%EF%BC%88-2.5%EF%BC%89%E6%88%91%E7%AE%97%E4%B8%8D%E5%87%BA%E6%9D%A5%E4%BA%86%EF%BC%8C)
(-3.75)+2.85+(-1又4/1)+(-2/1)+3.5+(-2.5)我算不出来了,
(-3.75)+2.85+(-1又4/1)+(-2/1)+3.5+(-2.5)
我算不出来了,
(-3.75)+2.85+(-1又4/1)+(-2/1)+3.5+(-2.5)我算不出来了,
原式=(-3.75)+2.85+(-1又1/4)+(-1/2)+3.5+(-2.5)
=-3.75+2.85-1.25-0.5+3.5-2.5
=(2.85+3.5)-(3.75+1.25+0.5+2.5)
=6.35-8
=-(8-6.35)
=-1.65
-3.15