1／6+1／12+1／20+1／30+1／41简便计算
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/23 16:25:46
1／6+1／12+1／20+1／30+1／41简便计算1／6+1／12+1／20+1／30+1／41简便计算1／6+1／12+1／20+1／30+1／41简便计算1／6+1／12+1／20+1／30+
1／6+1／12+1／20+1／30+1／41简便计算
1／6+1／12+1／20+1／30+1／41简便计算
1／6+1／12+1／20+1／30+1／41简便计算
1／6+1／12+1／20+1／30+1／42
=1/2-1/3+1/3-1/4+1/5-1/6+1/6-1/7
=1/2-1/7
=5/14