作业帮3-5/6+1 又7/12+3-1 又1/4 1+[(2又2/3-0.3)-(0.3+2/3)] 能简算的简算
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/18 10:43:41
![3-5/6+1 又7/12+3-1 又1/4 1+[(2又2/3-0.3)-(0.3+2/3)] 能简算的简算](/uploads/image/z/130771-19-1.jpg?t=3-5%2F6%2B1+%E5%8F%887%2F12%2B3-1+%E5%8F%881%2F4+1%2B%5B%282%E5%8F%882%2F3-0.3%29-%280.3%2B2%2F3%29%5D+%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E7%AE%80%E7%AE%97)
3-5/6+1 又7/12+3-1 又1/4 1+[(2又2/3-0.3)-(0.3+2/3)] 能简算的简算
3-5/6+1 又7/12+3-1 又1/4 1+[(2又2/3-0.3)-(0.3+2/3)] 能简算的简算
3-5/6+1 又7/12+3-1 又1/4 1+[(2又2/3-0.3)-(0.3+2/3)] 能简算的简算
原式=（3+1+3-1)+(-10/12+7/12-3/12)
=6-1/2=11/2
原式=1+[2+(2/3-3/10)×2]
=3+2/5
17/5
说详细点。