3-3/2÷21/10-2/7简算
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/18 20:32:32
3-3/2÷21/10-2/7简算3-3/2÷21/10-2/7简算3-3/2÷21/10-2/7简算3-3/2÷21/10-2/7=3-5/7-2/7=3-(5/7+2/7)=3-1=2
3-3/2÷21/10-2/7简算
3-3/2÷21/10-2/7简算
3-3/2÷21/10-2/7简算
3-3/2÷21/10-2/7
=3-5/7-2/7
=3-(5/7+2/7)
=3-1
=2