3-3/2÷21/10-2/7简算

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/10 15:37:11
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简算
3-3/2÷21/10-2/7
=3-5/7-2/7
=3-(5/7+2/7)
=3-1
=2