a1+b1=c1
a2+b2+c1=c2
a3+b3+c2 =c3
a4+b4+c3 =c4
.... ...
• 草鞋妹子的答案更像是科學家的答案! -我愛丁二酸鈉- ♂ (0 bytes) () 12/15/2024 postreply 08:30:37
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