2张纸拼接处省了1 枚图钉:2张-1=1枚
3张纸拼接处省了2 枚图钉:3张-1=2枚
8张纸拼接处省了7枚图钉:8张-1=7枚
1张:8x2
2张:8x2-(2-1)
3张:8x2-(3-1)
4张:8x2-(4-1)
5张:8x2-(5-1)
6张:8x2-(6-1)
7张:8x2-(7-1)
8张:8x2-(8-1)
2张纸拼接处省了1 枚图钉:2张-1=1枚
3张纸拼接处省了2 枚图钉:3张-1=2枚
8张纸拼接处省了7枚图钉:8张-1=7枚
1张:8x2
2张:8x2-(2-1)
3张:8x2-(3-1)
4张:8x2-(4-1)
5张:8x2-(5-1)
6张:8x2-(6-1)
7张:8x2-(7-1)
8张:8x2-(8-1)